Paradyne 3166 CSU - Manual - manualsarea.com

Page 2 - Copyright

Printed on recycled paper A 3166-A2-GB20-10 November 1998 Copyright 1998 Paradyne Corporation. All rights reserved.Printed in U.S.A. Notice This publication is protected by federal copyright law. No part of this publication may be copied or distributed,transmitted, transcribed, stored in a retrieval...

Page 3 - Important Information; Important Safety Instructions

Important Information B 3166-A2-GB20-10 November 1998 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. Slots and openings in the cabinet are provided for ventilation. To ensure reliable operation of the product ...

Page 4 - EMI Warnings

Important Information C 3166-A2-GB20-10 November 1998 EMI Warnings ! WARNING: This equipment has been tested and found to comply with the limits for a Class A digital device,pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection againstharmful interference w...

Page 5 - Government Requirements and Equipment Return; 166 DSU/CSU Facility Interface Codes

Important Information D 3166-A2-GB20-10 November 1998 Government Requirements and Equipment Return Certain governments require that instructions pertaining to CSU connection to the telephone network be included inthe installation and operation manual. Specific instructions are listed in the followin...

Page 7 - Contents; About This Guide

i 3166-A2-GB20-10 November 1998 Contents About This Guide Document Purpose and Intended Audience vii . . . . . . . . . . . . . . . . . . . . . . . . . Document Summary vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product-Related Documents viii . . . ....

Page 8 - ii; SDCP Operation

Contents ii 3166-A2-GB20-10 November 1998 3 SDCP Operation Overview 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using the SDCP 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LCD 3...

Page 9 - iii; Monitoring and Testing

Contents iii 3166-A2-GB20-10 November 1998 4 Monitoring and Testing Overview 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Self-Test Health 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 10 - iv; SDCP Menu

Contents iv 3166-A2-GB20-10 November 1998 A SDCP Menu B Technical Specifications Overview B-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C Configuration Options Overview C-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 11 - SNMP MIB Objects

Contents v 3166-A2-GB20-10 November 1998 E SNMP MIB Objects Overview E-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MIB II (RFC 1213) E-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sys...

Page 12 - vi; Front Panel Emulation

Contents vi 3166-A2-GB20-10 November 1998 G Front Panel Emulation Overview G-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installing Front Panel Emulation Software G-1 . . . . . . . . . . . . . . . . . . . . . . . . . . Starting Front ...

Page 13 - vii; Document Purpose and Intended Audience; Section

vii 3166-A2-GB20-10 November 1998 About This Guide Document Purpose and Intended Audience This operator’s guide contains installation, operation, and maintenanceinformation for the ACCULINK 3166 Data Service Unit (DSU)/Channel ServiceUnit (CSU). It is assumed that you are familiar with the operation...

Page 14 - Product-Related Documents; Document Number

About This Guide viii 3166-A2-GB20-10 November 1998 Section Description Appendix E SNMP MIB Objects. Lists and describes the MIB supportprovided by the DSU/CSU. Appendix F IP Network Addressing Scenarios. Shows the use of IPaddressing in sample networks. Appendix G Front Panel Emulation. Explains th...

Page 15 - ix; Reference Documents; Industry Canada CS-03

About This Guide ix 3166-A2-GB20-10 November 1998 Reference Documents AT&T Technical Reference 54016 AT&T Technical Reference 62411 ANSI T1.403-1989 Industry Canada CS-03 CSA-22.2 No. 950 Industry Canada (ICES)-003 FCC Part 15 FCC Part 68 UL 1950 Management Information Base for Network Manag...

Page 17 - Introduction; Overview

1-1 3166-A2-GB20-10 November 1998 Introduction 1 Overview The ACCULINK R 3166 DSU/CSU acts as an interface between the T1 digital network and the customer premises equipment, converting signals received fromthe DTE (Data Terminal Equipment) to bipolar signals that can be transmittedover T1 lines. Ty...

Page 18 - Alarm Message Capability

Introduction 1-2 3166-A2-GB20-10 November 1998 Alarm Message Capability The DSU/CSU can be attached, either locally or remotely, to an ASCII terminal orprinter to display or print alarm messages. Alarms can also be displayed on a PCthat is using a terminal emulation package. Front Panel Emulation Th...

Page 19 - Physical Description; 166 DSU/CSU Rear Connector Module Connectors

Introduction 1-3 3166-A2-GB20-10 November 1998 Physical Description The Model 3166 DSU/CSU consists of a circuit card with front panel, and a rearconnector module. It is designed to be mounted in the 3000 Series Carrier. NET POR T 1 COM DIA GNOSTIC CHANNEL NET DSU/CSU 3166 Po rt1 OK FailTestSig OO A...

Page 21 - Installation; Important Instructions; For a complete listing of the safety instructions, see

496-15104 2-1 3166-A2-GB20-10 November 1998 Installation 2 Important Instructions Read and follow all warning notices and instructions marked on the DSU/CSU orincluded in this guide. For a complete listing of the safety instructions, see Important Safety Instructions at the beginning of this guide. ...

Page 22 - Procedure; To install the DSU and rear connector module:; slight adjustment that may be needed when installing the DSU.

Installation 2-2 3166-A2-GB20-10 November 1998 Installation Procedure To install the DSU and rear connector module: 1. At the rear of the carrier, set the tab on the rear connector module into one of the slotted grooves on the carrier’s backplane. Loosely fasten the screws.Make sure the rear connect...

Page 27 - For more information about the SDCP, refer to the; Using the SDCP; SDCP

3-1 3166-A2-GB20-10 November 1998 SDCP Operation 3 Overview This chapter contains information for operating your DSU/CSU using the optionalShared Diagnostic Control Panel of the 3000 Series Carrier. It includes adescription of the SDCP and sample procedures for configuring the DSU/CSU. For more info...

Page 28 - LCD; Keypad

SDCP Operation 3-2 3166-A2-GB20-10 November 1998 LCD The LCD is used to display two types of data: Messages such as alarms, command/test completion, and action in progress SDCP menu tree information (see Appendix A, SDCP Menu ) The LCD displays status messages as requested via the Device Health andS...

Page 29 - Test Jacks; Test Jacks

SDCP Operation 3-3 3166-A2-GB20-10 November 1998 Use the Function (F1, F2, F3) keys to make selections from the choicespresented on the second line of the LCD. When this line presents choices, it isgenerally divided into three sections, each displayed directly above one of theFunction keys. When you...

Page 30 - LEDs; There are twelve LEDs on the 3166 DSU/CSU front panel.; System LEDs

98-16081b SystemLEDs NET DSU/CSU 3166 Port1 OK Fail Test Sig OOF Alrm EER DTR TXD RXD CTS RTS Select In Out Net Mon SDCP Operation 3-4 3166-A2-GB20-10 November 1998 LEDs There are twelve LEDs on the 3166 DSU/CSU front panel. A green LED indicates normal operation. A yellow LED indicates activity.Con...

Page 31 - Name

98-16081c NetworkInterfaceLEDs NET DSU/CSU 3166 Port1 OK Fail Test Sig OOF Alrm EER DTR TXD RXD CTS RTS Select In Out Net Mon SDCP Operation 3-5 3166-A2-GB20-10 November 1998 Table 3-2. Network Interface (NET) LEDs Name Color Meaning Sig Green Monitors the signal being received from the network. ON ...

Page 33 - Displaying Unit Identity

SDCP Operation 3-7 3166-A2-GB20-10 November 1998 Displaying Unit Identity The identity of the DSU/CSU (serial number, model number, software revisionlevel, hardware revision level, and customer identification) is available throughthe Status branch of the SDCP menu (see Appendix A, SDCP Menu ). The c...

Page 35 - Setting Customer Identification

SDCP Operation 3-9 3166-A2-GB20-10 November 1998 Setting Customer Identification The customer identification is the only identity number you can change. It is usedto uniquely identify the DSU/CSU. Procedure To change the customer identification (CID): 1. From the top-level menu, press the key until ...

Page 36 - Displaying LED Conditions

SDCP Operation 3-10 3166-A2-GB20-10 November 1998 Displaying LED Conditions The same conditions monitored by the front panel LEDs can also be monitoredby the LED command. This command is most useful when the DSU/CSU is beingaccessed remotely (see Appendix G, Front Panel Emulation ). When using Front...

Page 37 - Changing Configuration Options

SDCP Operation 3-11 3166-A2-GB20-10 November 1998 If you chose Prt1, the Port 1 LEDs screen lists the LED signals, two at a time,on the second line. A vertical bar at the left of the LED name indicates thecondition is ON, while an underscore indicates the condition is Off. F1 Port n LEDs: J DTR _TXD...

Page 39 - Displaying/Editing Configuration Options

SDCP Operation 3-13 3166-A2-GB20-10 November 1998 Displaying/Editing Configuration Options Procedure To display/edit configuration options: 1. From the top-level menu screen, select Cnfig. F1 DSU ESFStat Test Cnfig F2 F3 2. Select the configuration option set to be copied into the Edit area by using...

Page 41 - Saving Edit Changes; To save edit changes:

SDCP Operation 3-15 3166-A2-GB20-10 November 1998 Saving Edit Changes Save edit changes to the Active area when you want those changes to take effectimmediately. Save edit changes to the Customer area when you want to overwritethe existing Customer configuration options and store these changes for f...

Page 42 - Enabling the Communication Port

SDCP Operation 3-16 3166-A2-GB20-10 November 1998 Enabling the Communication Port Communication between the 3166 DSU/CSU and an external PC, ASCII device,SNMP manager, or async terminal interface (attached either locally or through anexternal modem) occurs through a communication (COM) port. Once th...

Page 44 - Control Sequence

SDCP Operation 3-18 3166-A2-GB20-10 November 1998 Table 3-4. Control Sequence Sequence ASCII HEX ^A or ^a SOH 0x01 ^B or ^b STX 0x02 ^C or ^c ETX 0x03 ^D or ^d EOT 0x04 ^E or ^e ENQ 0x05 ^F or ^f ACK 0x06 ^G or ^g BEL 0x07 ^H or ^h BS 0x08 ^I or ^i HT 0x09 ^J or ^j LF or NL 0x0A ^K or ^k VT 0x0B ^L ...

Page 46 - Selecting the Port

SDCP Operation 3-20 3166-A2-GB20-10 November 1998 Selecting the Port The SNMP manager, Telnet device, external LAN adapter, or network device(e.g., a router) can be directly connected to the communications (COM) port. The COM port can support either synchronous or asynchronous PPP, orasynchronous SL...

Page 47 - Setting the IP Address; IP Network Addressing Scenarios; To assign an IP address to the COM port:

SDCP Operation 3-21 3166-A2-GB20-10 November 1998 Setting the IP Address The IP address is the address used by the SNMP or Telnet system to access theDSU/CSU (see Appendix F, IP Network Addressing Scenarios ). For DSU/CSUs using PPP, the IP address can be negotiated if the network device (e.g., rout...

Page 49 - Selecting the Link Layer Protocol

SDCP Operation 3-23 3166-A2-GB20-10 November 1998 Selecting the Link Layer Protocol Two link layer protocols, Point-to-Point Protocol (PPP) and Serial Line InternetProtocol (SLIP), are supported for connection to an external SNMP manager,Telnet device, or network device (e.g., a router). PPP can be ...

Page 52 - Configuring SNMP Traps; Configuration Options; Enabling SNMP Trap Messages

SDCP Operation 3-26 3166-A2-GB20-10 November 1998 12. Press F2 (Read) or F3 (R/W). F1 Access 1:Next Read R/W F2 F3 The Read selection allows read-only access (SNMP “Get”) to the accessibleobjects in the MIB when community name 1 is used. The R/W selectionallows Read/Write access (SNMP “Get” and “Set...

Page 53 - Selecting the Number of Trap Managers

SDCP Operation 3-27 3166-A2-GB20-10 November 1998 7. Press F2 (Enab) to enable trap messages over the SNMP management link. F1 SNMP Trap:Next Enab Disab F2 F3 Selecting the Number of Trap Managers If you intend to issue traps to an SNMP manager(s) from this device, you mustspecify the number of SNMP...

Page 54 - Configuring a Destination for SNMP Traps

SDCP Operation 3-28 3166-A2-GB20-10 November 1998 Configuring a Destination for SNMP Traps A destination must be configured for each SNMP trap manager specified. Thisconfiguration option is displayed for the number of trap managers specified by theNumber of Trap Managers configuration option. Proced...

Page 55 - Allocating Data Ports; Assign the selected port to the desired interface.

SDCP Operation 3-29 3166-A2-GB20-10 November 1998 Allocating Data Ports By using the configuration options, assign a specific port to DS0 channels on thenetwork interface. The following methods are available to assign DS0 channels tothe port: Block – Allows a block of contiguous channels to be assig...

Page 57 - Block or ACAMI Assignment Method; To assign by the block or ACAMI method:

SDCP Operation 3-31 3166-A2-GB20-10 November 1998 Block or ACAMI Assignment Method The Assign By configuration option screen appears after you select a port. Procedure To assign by the block or ACAMI method: 1. Press F2 for Block or F3 for ACAMI. F1 Assign By:Next Block ACAMI F2 F3 or F1 Assign By:N...

Page 58 - Individual Channel Assignment Method

SDCP Operation 3-32 3166-A2-GB20-10 November 1998 4. The Start At screen displays the configuration option used to select the starting DS0 channel. The network channels appear on the screen. The following screen shows an example for the network interface. Use the or key to scroll the desired channel...

Page 59 - Clearing DS0 Channel Allocation

SDCP Operation 3-33 3166-A2-GB20-10 November 1998 4. Line 1 displays the 24 channels for the network interface. Line 2 displays what is allocated to the DS0 channel shown in Line 1. Pressing the or key scrolls the channels onto the screen in groups of three. Select thechannel by pressing the Functio...

Page 60 - Selecting the Timing Source; Configuring for Network Timing

SDCP Operation 3-34 3166-A2-GB20-10 November 1998 Selecting the Timing Source The DSU/CSU provides the ability to select a master clock (timing) source that is used to synchronize all of the T1 and data port interfaces on theDSU/CSU. The clock for each interface is at the appropriate rate for that i...

Page 61 - Establishing Access Security on the COM Port; Setting a Password

SDCP Operation 3-35 3166-A2-GB20-10 November 1998 Establishing Access Security on the COM Port Although the password feature is available, it is not required as a factory default.If used, it ensures access security before device control is passed to a deviceconnected to the COM port. The default is ...

Page 63 - Entering a Password to Gain Access

SDCP Operation 3-37 3166-A2-GB20-10 November 1998 Entering a Password to Gain Access You are prompted to enter a password (up to 8 characters) when you areaccessing a port whose Password configuration option is set (refer to theprevious section, Setting a Password ). Valid password characters are 0 ...

Page 64 - Acquiring/Releasing the User Interface; You can switch an inactive user interface to active if:; Acquiring the Active User Interface; Test

SDCP Operation 3-38 3166-A2-GB20-10 November 1998 Acquiring/Releasing the User Interface You can access the user interface from either the the COM port or the SDCP. TheDSU/CSU allows only one user interface to be active at a time. The COM port isthe default user interface at power-up or after a rese...

Page 65 - Releasing the Active User Interface

SDCP Operation 3-39 3166-A2-GB20-10 November 1998 The inactive interface displays an interface idle message after control has beenreleased from the previously active interface and another interface has notbecome active. F1 DSU ESFCom Port idle F2 F3 Releasing the Active User Interface To release the...

Page 66 - Resetting the DSU/CSU; Use the Reset command to perform a power-on reset of the DSU/CSU.; key until the Ctrl selection

SDCP Operation 3-40 3166-A2-GB20-10 November 1998 Resetting the DSU/CSU Use the Reset command to perform a power-on reset of the DSU/CSU. Procedure To reset the DSU/CSU: 1. From the top-level menu screen, press the key until the Ctrl selection appears on the screen. 2. Select Ctrl. 3. From the Contr...

Page 68 - Self-Test Health Messages

Monitoring and Testing 4-2 3166-A2-GB20-10 November 1998 3. View the results of the last power-up self-test. If no problems were found during power-up, the following message appears. F1 STest Health:Passed F2 F3 Table 4-1. Self-Test Health Messages Message Description Passed No problems were found d...

Page 69 - Device Health and Status; lists these messages in priority order.; To display device health and status:

Monitoring and Testing 4-3 3166-A2-GB20-10 November 1998 Device Health and Status Use the Device Health and Status branch to view the current health and statusmessages for the DSU/CSU. Table 4-2 lists these messages in priority order. Procedure To display device health and status: 1. From the top-le...

Page 70 - Device Health and Status Messages

Monitoring and Testing 4-4 3166-A2-GB20-10 November 1998 Table 4-2. Device Health and Status Messages Message Description LOS at Net A Loss Of Signal condition (175 consecutive zeros) has beendetected on the network interface. The condition is cleared whenthe density of ones to zeros received is 12....

Page 71 - Performance Reports; Registers shown on the front panel LCD are listed in; User

Monitoring and Testing 4-5 3166-A2-GB20-10 November 1998 Performance Reports When the network interface is configured for ESF operation, networkperformance is continuously monitored and maintained in two sets of aggregateregisters: Carrier Network Interface Registers (Telco) and User Network Interfa...

Page 73 - Register

Monitoring and Testing 4-7 3166-A2-GB20-10 November 1998 9. When you have selected the number of the interval you want to display, press F3 (Dsply) to display the registers for the interval selected. Use the scrollkeys to view additional register information. F1 User Intvl: xx ES= xxx F2 F3 Table 4-...

Page 76 - Resetting Performance Registers

Monitoring and Testing 4-10 3166-A2-GB20-10 November 1998 Resetting Performance Registers You can reset the performance registers via the ClrReg command in the Controlbranch of the front panel menu. Procedure To clear the performance registers: 1. From the top-level menu screen, press the key until ...

Page 77 - Alarms

Monitoring and Testing 4-11 3166-A2-GB20-10 November 1998 Alarms The DSU/CSU can be attached, either locally or remotely, to an ASCII terminal orprinter to display or print alarm messages. Alarms can also be displayed on a PCthat is using a terminal emulation package. You can route these alarms to t...

Page 78 - SNMP Traps

Monitoring and Testing 4-12 3166-A2-GB20-10 November 1998 SNMP Traps SNMP traps are unsolicited messages that are sent from the DSU/CSU to anSNMP manager when the DSU/CSU detects certain pre-specified conditions.These traps enable the SNMP manager to monitor the state of the network. The SNMP Trap c...

Page 80 - Troubleshooting; gives you some direction if a problem occurs.; Symptom

Monitoring and Testing 4-14 3166-A2-GB20-10 November 1998 Troubleshooting The DSU/CSU is designed to provide you with trouble-free service. However, Table 4-6 gives you some direction if a problem occurs. For problems other than those listed in the table, please contact your servicerepresentative. T...

Page 81 - Test Commands

Monitoring and Testing 4-15 3166-A2-GB20-10 November 1998 Table 4-6. Troubleshooting (2 of 2) Symptom Solutions Possible Cause A failure messageappears followedby an 8-digit code( x x x x x x x x ) Internal DSU/CSU problem. Record the 8-digit code, thencontact your servicerepresentative. Mgmt link i...

Page 82 - Remote Loopback Tests; For Networks; Line loopback up activation sequence for 10 seconds (LLBUP); For Channels

Monitoring and Testing 4-16 3166-A2-GB20-10 November 1998 Remote Loopback Tests The Remote Loopback tests enable you to troubleshoot your circuit by sendingthe following to a far-end device: For Networks Line loopback up activation sequence for 10 seconds (LLBUP) Line loopback down activation sequen...

Page 83 - Sending a Line Loopback Up or Down; Ptrns

Monitoring and Testing 4-17 3166-A2-GB20-10 November 1998 Sending a Line Loopback Up or Down Procedure To send a Line Loopback Up or Down sequence on the network to a far-endDSU/CSU: 1. From the top-level menu screen, select Test. 2. From the Test screen, select Rlpbk. F1 Test:Rlpbk Lpbk Ptrns F2 F3...

Page 85 - Local Loopback Tests

Monitoring and Testing 4-19 3166-A2-GB20-10 November 1998 Local Loopback Tests The Local Loopback tests enable you to conduct circuit testing and fault isolationfor the digital line. The supported local loopback tests are: Line Loopback (LLB) Payload Loopback (PLB) Repeater Loopback (RLB) Data Chann...

Page 86 - Starting a Line Loopback

Monitoring and Testing 4-20 3166-A2-GB20-10 November 1998 Starting a Line Loopback The Line Loopback command (LLB) loops the received signal on the networkinterface back to the network without change. 98-15946 CSU DSU NETWORK INTERFACE ALL 1s LLB PORT 1 Procedure To perform a Line loopback: 1. From ...

Page 87 - Starting a Payload Loopback

Monitoring and Testing 4-21 3166-A2-GB20-10 November 1998 Starting a Payload Loopback The Payload Loopback command (PLB) loops the received signal on the networkinterface back to the network after it has passed through the framing circuitry ofthe DSU/CSU. Framing CRCs and BPVs are corrected. 98-1594...

Page 88 - Starting a Repeater Loopback

Monitoring and Testing 4-22 3166-A2-GB20-10 November 1998 Starting a Repeater Loopback The Repeater Loopback command (RLB) loops the signal being sent to thenetwork back to the data port. The signal is looped back as close to the networkinterface as possible (after it has passed through the framing ...

Page 89 - Starting a Data Channel Loopback

Monitoring and Testing 4-23 3166-A2-GB20-10 November 1998 Starting a Data Channel Loopback The Data Channel Loopback command (DCLB) loops the data received from thenetwork interface, for all DS0 channels allocated to Port 1, back to the network.The loopback occurs after the data passes through the p...

Page 90 - Starting a Data Terminal Loopback

Monitoring and Testing 4-24 3166-A2-GB20-10 November 1998 Starting a Data Terminal Loopback The Data Terminal Loopback command (DTLB) loops the data received from Port 1, for all DS0 channels allocated to the port, back out of the port. Thisloopback occurs after the data passes through the port circ...

Page 91 - Aborting Loopbacks

Monitoring and Testing 4-25 3166-A2-GB20-10 November 1998 Aborting Loopbacks The Abort Loopback command stops all loopback tests or any selected loopbacktest currently active on the DSU/CSU. Procedure To abort one or more loopback tests: 1. From the top-level menu screen, select Test. 2. From the Te...

Page 92 - Test Patterns; Sending Test Patterns

Monitoring and Testing 4-26 3166-A2-GB20-10 November 1998 Test Patterns Use the Test Pattern commands to send, monitor, and abort test patterns.Available test patterns are: H QRSS – A quasi-random signal source approximating live data that can bemonitored for logic errors (on the network and the dat...

Page 93 - Monitoring Test Patterns

Monitoring and Testing 4-27 3166-A2-GB20-10 November 1998 5. From the Send screen, press the Function key that corresponds to the interface for which you want to send a test pattern. (NET does not appear forthe 511 pattern.) F1 Send: Name NET Prt1 F2 F3 The Test Started screen appears. F1 Send: Name...

Page 94 - Aborting Test Patterns

Monitoring and Testing 4-28 3166-A2-GB20-10 November 1998 3. From the Patterns screen, select Mon. F1 Patterns:Abort Send Mon F2 F3 4. From the Patterns Mon screen, press F1 for QRSS or F2 for 511. F1 Patterns: MonQRSS 511 F2 F3 5. From the Monitor screen, press the Function key that corresponds to ...

Page 96 - Lamp Test; Starting a Lamp Test

Monitoring and Testing 4-30 3166-A2-GB20-10 November 1998 Lamp Test Use the Lamp Test commands to start and stop a test of the DSU/CSU frontpanel LCD and LEDs. Starting a Lamp Test Procedure To start a Lamp test: 1. From the top-level menu screen, select Test. 2. From the Test screen, press the key ...

Page 97 - Aborting a Lamp Test; To abort the Lamp test:

Monitoring and Testing 4-31 3166-A2-GB20-10 November 1998 6. When you are satisfied that all LEDs are lighting and the LCD is functioning properly, abort the Lamp test from the Lamp Test screen. If there is no activityon the DSU/CSU front panel for five minutes, the Device Health and Statusscreen ap...

Page 98 - Displaying DSU/CSU Test Status; To display test status:; Test Status Message

Monitoring and Testing 4-32 3166-A2-GB20-10 November 1998 Displaying DSU/CSU Test Status Use the Test Status command to display the active tests for the DSU/CSU. Statusmessages that can display on the front panel LCD are listed in Table 4-8 . Procedure To display test status: 1. From the top-level m...

Page 101 - Technical Specifications; ACCULINK Model 3166 DSU/CSU Technical Specifications (1 of 2)

B-1 3166-A2-GB20-10 November 1998 Technical Specifications B Overview The technical specifications for the 3166 DSU/CSU are listed in Table B-1. Thefan module cooling requirements for the 3000 Series Carrier are provided in theCOMSPHERE 3000 Series Carrier Installation Manual. Table B-1. ACCULINK Mo...

Page 102 - ACCULINK Model 3166 DSU/CSU Technical Specifications (2 of 2)

Technical Specifications B-2 3166-A2-GB20-10 November 1998 Table B-1. ACCULINK Model 3166 DSU/CSU Technical Specifications (2 of 2) Specifications Criteria PORT INTERFACEStandards Rates EIA-530-A, V.35, RS-449, V.11 Nx64 – 64-1.536 MbNx56 – 56-1.344 Mb CLOCKING SOURCES T1 network interface, Port 1, ...

Page 103 - and

C-1 3166-A2-GB20-10 November 1998 Configuration Options C Overview The DSU/CSU configuration option tables contain a list of all configurationoptions and their available selections. The configuration options are arranged intofunctional groups: Port Configuration Options The Port configuration option...

Page 104 - Port Configuration Options

Configuration Options C-2 3166-A2-GB20-10 November 1998 Port Configuration Options Table C-1. Port Configuration Options (1 of 5) Port Type: E530 (Factory 1) V.35 (Factory 2)Next E530 V.35 RS449 X.21 Prev Data Port Type. Allows selection of the data port interface type. E530 – Configures the port as...

Page 109 - Network Interface Configuration Options; Network Interface Configuration Options (1 of 3)

Configuration Options C-7 3166-A2-GB20-10 November 1998 Network Interface Configuration Options Table C-2. Network Interface Configuration Options (1 of 3) NET Framing: ESF (Factory 1) D4 (Factory 2)Next D4 ESF Prev Network Line Framing Format. The framing format to be used on the network interface....

Page 110 - Network Interface Configuration Options (2 of 3)

Configuration Options C-8 3166-A2-GB20-10 November 1998 Table C-2. Network Interface Configuration Options (2 of 3) NET LLB: EnabNext Enab Disab Prev Network Initiated Line Loopback (LLB). Allows initiation and termination of the LLB to becontrolled by the receipt of LLB-Actuate and LLB-Release comm...

Page 111 - Network Interface Configuration Options (3 of 3); General Configuration Options

Configuration Options C-9 3166-A2-GB20-10 November 1998 Table C-2. Network Interface Configuration Options (3 of 3) Circuit Ident:Next Edit Clear Prev Network Circuit Identifier. Specifies the transmission vendor’s circuit identifier for thepurpose of facilitating troubleshooting. The network circui...

Page 112 - User Interface Configuration Options; User Interface Configuration Options (1 of 6)

Configuration Options C-10 3166-A2-GB20-10 November 1998 Table C-3. General Configuration Options (2 of 2) TstDuration: 10Next Up Down Save Prev Test Duration. Specifies the duration (1 to 120 minutes) of user-initiated loopback andpattern tests. (The Tst Timeout configuration option must be set to ...

Page 113 - User Interface Configuration Options (2 of 6)

Configuration Options C-11 3166-A2-GB20-10 November 1998 Table C-4. User Interface Configuration Options (2 of 6) Com Use: ASCIINext Mgmt ASCII Term Prev Communication Port Use. Specifies how the communication port is used. Mgmt – Configures the communication port as the link to an SNMP or Telnet sy...

Page 114 - User Interface Configuration Options (3 of 6)

Configuration Options C-12 3166-A2-GB20-10 November 1998 Table C-4. User Interface Configuration Options (3 of 6) ComConnected:Next Edit Clear Prev Carrier Communication Port Connect Indication String. Specifies the communicationport’s connect indication string. When you make a connection or the DSU...

Page 115 - User Interface Configuration Options (4 of 6)

Configuration Options C-13 3166-A2-GB20-10 November 1998 Table C-4. User Interface Configuration Options (4 of 6) ComDisconnect:Next Edit Clear Prev Carrier Communication Port Disconnect String. Specifies the communication port’sdisconnect string. The communication port’s disconnect string is sent t...

Page 116 - User Interface Configuration Options (5 of 6)

Configuration Options C-14 3166-A2-GB20-10 November 1998 Table C-4. User Interface Configuration Options (5 of 6) Ignore DTR: NoNext Yes No Prev Communication Port Ignore DTR State. Specifies whether the DSU/CSU ignores thestate of the Data Terminal Ready (DTR) input to the communication port. Yes –...

Page 117 - User Interface Configuration Options (6 of 6)

Configuration Options C-15 3166-A2-GB20-10 November 1998 Table C-4. User Interface Configuration Options (6 of 6) TnDiscTm: 5Next Up Down Save Prev Telnet Disconnect Time. Specifies the period of time (1 to 60 minutes) before the Telnetsession disconnects due to inactivity. (The TnInActTm configurat...

Page 118 - Alarm Configuration Options

Configuration Options C-16 3166-A2-GB20-10 November 1998 Alarm Configuration Options Table C-5. Alarm Configuration Options (1 of 3) Alrm Msg: DisabNext Disab Com Prev Alarm Messages. Controls the generation of alarm messages, which are routed to anASCII terminal or printer attached to the communica...

Page 121 - Management Configuration Options; General Management Configuration Options (; General Management Configuration Options (1 of 4)

Configuration Options C-19 3166-A2-GB20-10 November 1998 Management Configuration Options The Management configuration options are divided into two tables as follows: General Management Configuration Options ( Table C-6 ) Management Trap Configuration Options ( Table C-7 ) Table C-6. General Managem...

Page 122 - General Management Configuration Options (2 of 4)

Configuration Options C-20 3166-A2-GB20-10 November 1998 Table C-6. General Management Configuration Options (2 of 4) NMS n Acs: Read Next Read R/W Prev NMS Manager n Access Type. Specifies the allowable type of access for an SNMP manager attempting to access the DSU/CSU’s MIB using community name 1...

Page 123 - General Management Configuration Options (3 of 4)

Configuration Options C-21 3166-A2-GB20-10 November 1998 Table C-6. General Management Configuration Options (3 of 4) Access 1: ReadNext Read R/W Prev Access 1. Specifies the type of access allowed for Community Name 1. This is the typeof access allowed for external SNMP managers accessing objects i...

Page 124 - General Management Configuration Options (4 of 4)

Configuration Options C-22 3166-A2-GB20-10 November 1998 Table C-6. General Management Configuration Options (4 of 4) Com NetMask: Next Edit Clear Prev Subnet Mask for the Communication Port. Specifies the subnet mask for thecommunication port if the Com Use configuration option is set to Mgmt. Edit...

Page 125 - Management Trap Configuration Options (1 of 2)

Configuration Options C-23 3166-A2-GB20-10 November 1998 Table C-7. Management Trap Configuration Options (1 of 2) Num Trap Mgrs: 1Next 1 2 3 4 5 6 Prev Number of Trap Managers. Specifies the number of SNMP trap managers that are toreceive traps for this unit. NOTE: You must configure an IP address ...

Page 126 - Management Trap Configuration Options (2 of 2)

Configuration Options C-24 3166-A2-GB20-10 November 1998 Table C-7. Management Trap Configuration Options (2 of 2) Entp Trap: EnabNext Enab Disab Prev Enterprise Specific Traps. Specifies whether enterpriseSpecific traps are enabled. Enab – Sends trap messages for enterpriseSpecific events to the cu...

Page 127 - Pin Assignments; Equipment List; T1 Network Interface; T1 Network Interface Connector

D-1 3166-A2-GB20-10 November 1998 Pin Assignments D Overview The DSU/CSU is shipped with a power module and a VF cable. Various otherinterconnecting cables are available. For cable feature numbers, refer toAppendix I, Equipment List . This appendix describes connector pin assignments and cables. T1 ...

Page 129 - Signal

Pin Assignments D-3 3166-A2-GB20-10 November 1998 EIA-530-A Port Interface Connector The EIA-530-A Port interface connector information is shown in Table D-2 . Table D-2. EIA-530-A Port Interface Connector Signal CircuitMnemonic CCITTNumber Direction Pin Shield — — — 1 Signal Common AB 102A — 7 Sign...

Page 131 - Cable Interface

Pin Assignments D-5 3166-A2-GB20-10 November 1998 Table D-3. RS449 Cable Interface Signal CircuitMnemonic CCITTNumber Direction Pin Shield — — — 1 Signal Ground SG 102A — 19 Receive Ground RC 102B — 20 Send Common SC — — 37 Send Data SD 103 To DSU/CSU 4 (A)22 (B) Receive Data RD 104 FromDSU/CSU 6 (A...

Page 135 - COM Port Interface; ). The data signals on this port are referenced to a DTE; COM Port Connector

Pin Assignments D-9 3166-A2-GB20-10 November 1998 COM Port Interface The COM port connects to a PC for front panel emulation, to an ASCII terminal orprinter for alarms, to an asynchronous terminal, to a network device (e.g., arouter) for SNMP or Telnet applications, or to a LAN Adapter for SNMP or T...

Page 137 - COM Port to Modem Cable; Com Port to Modem Cable

Pin Assignments D-11 3166-A2-GB20-10 November 1998 COM Port to Modem Cable Use a serial crossover cable when connecting the COM port to a modem or otherexternal device. The following shows the pin assignments from the COM port tothe external device. 1 2 3 4 5 6 7 8 97-15669 COM Port Non-Keyed 8-Posi...

Page 139 - MIB II; – Defines the general objects for use in Transmission Control; Generic-Interface Extension MIB; – An extension to MIB II that defines; Enterprise MIB; – Defines objects that are unique to devices such as Model

E-1 3166-A2-GB20-10 November 1998 SNMP MIB Objects E Overview This appendix describes the Management Information Base (MIB) objects thatare supported by the DSU/CSU and provides a correlation between front panelcommands and MIB objects (Table E-1). The DSU/CSU supports the following MIBs: MIB II – D...

Page 141 - Interface Group, MIB II

SNMP MIB Objects E-3 3166-A2-GB20-10 November 1998 System Group – “sysObjectID” Object (system 2) This object provides the authoritative identification of the network managementsubsystem contained in the unit. This object displays the following object identifier: 3166 [ Company OID].1.14.2.2.8 Syste...

Page 143 - Interface Group – “ifSpeed” Object (ifEntry 5); The currently configured data rate for the port.; Interface Group – “ifAdminStatus” Object (ifEntry 7); The interface is testing(3) when a test is active on the interface.; Interface Group – “ifLastChange” Object (ifEntry 9)

SNMP MIB Objects E-5 3166-A2-GB20-10 November 1998 Interface Group – “ifSpeed” Object (ifEntry 5) This object provides the interface’s current bandwidth in bits per second. Thevalue of this object for each interface is specified as follows: T1 Interfaces: 1,544,000 bps. COM: The currently configured...

Page 144 - Interface Group – Input Counters (objects ifEntry 10 to ifEntry 15)

SNMP MIB Objects E-6 3166-A2-GB20-10 November 1998 Interface Group – Input Counters (objects ifEntry 10 to ifEntry 15) These objects collect statistics on the data received by the COM port when it isconfigured as an SNMP management link. For an interface that is not configuredas an SNMP management l...

Page 145 - IP Group – “ipAdEntAddr” Object (ipAddrEntry 1); ipRouteDest

SNMP MIB Objects E-7 3166-A2-GB20-10 November 1998 IP Group – “ipForwarding” Object (ip 1) This object specifies whether the unit is acting as an IP gateway in respect to theforwarding of a datagram received by, but not addressed to, this unit. Only thefollowing value is supported by the DSU/CSU. fo...

Page 146 - IP Group – “ipRouteDest” Object (ipRouteEntry 1)

SNMP MIB Objects E-8 3166-A2-GB20-10 November 1998 The following objects are defaulted if not specified in the set PDU used to add aroute. ipRouteMetric1 – Defaulted to 1 hop. ipRouteMetric2 – Defaulted to current slot for carrier devices and –1 forstandalone devices. ipRouteType – Defaulted to indi...

Page 147 - IP Group – “ipRouteMetric2” Object (ipRouteEntry 4); netmgmt(3) – Route added or modified by means of an SNMP set.; IP Group – “ipRouteAge” Object (ipRouteEntry 10); The ICMP Group objects are fully supported by the DSU/CSU.

SNMP MIB Objects E-9 3166-A2-GB20-10 November 1998 IP Group – “ipRouteMetric2” Object (ipRouteEntry 4) The following values are displayed for the ipRouteMetric2 object. For a carrierdevice designated as the IP Bus Master, ipRouteMetric2 is used to designate theslot number of the next hop associated ...

Page 148 - Transmission Group, MIB II

SNMP MIB Objects E-10 3166-A2-GB20-10 November 1998 Transmission Group, MIB II Objects in the transmission group are supported on the network interface, theCOM port, and the synchronous data port. The objects in the transmission groupare not defined within MIB II, but rather through other Internet s...

Page 150 - Near End Group – “dsx1LoopbackConfig” Object (dsx1ConfigEntry 9); dsx1RcvFarEndLOF(2) – A yellow alarm signal is being received.; Near End Group – “dsx1SignalMode” Object (dsx1ConfigEntry 11)

SNMP MIB Objects E-12 3166-A2-GB20-10 November 1998 Near End Group – “dsx1LoopbackConfig” Object (dsx1ConfigEntry 9) This object specifies the loopback state of the T1 interface. Only the followingvalues are supported by the DSU/CSU. dsx1NoLoop(1) – The T1 interface is not in a loopback state. dsx1P...

Page 151 - Near End Group – “dsx1Fdl” Object (dsx1ConfigEntry 13); dsx1CurrentIndex – The index that identifies the T1 interface.

SNMP MIB Objects E-13 3166-A2-GB20-10 November 1998 Near End Group – “dsx1TransmitClockSource” Object (dsx1ConfigEntry 12) This object specifies the timing source for the transmit clock for this T1 interface.This object differs from the MIB definition in that it is “read-only” (not read/write)for DS...

Page 154 - General Port Table – “rs232PortType” Object (rs232PortEntry 2)

SNMP MIB Objects E-16 3166-A2-GB20-10 November 1998 General Port Table – “rs232PortType” Object (rs232PortEntry 2) This object is used to identify the port’s hardware type. Only the following valuesare supported by the DSU/CSU. rs422(3) – Used to identify a synchronous data port that is configured a...

Page 157 - Generic Interface Test Table, Generic Interface MIB

SNMP MIB Objects E-19 3166-A2-GB20-10 November 1998 Generic-Interface MIB Extensions (RFC 1229) This generic-interface MIB is an experimental MIB that provides extensions to thegeneric interface group defined in MIB II. This MIB describes three tables: Generic Interface Extension Table Generic Inter...

Page 160 - Front Panel Command

SNMP MIB Objects E-22 3166-A2-GB20-10 November 1998 Correlation between Menu Commands and SNMPObjects Table E-1 provides a correlation between how a function is performed or status is displayed on the front panel and how the same function is accomplished usingaccess to the SNMP database. SNMP object...

Page 165 - IP Networking Address Scenario; The following notes apply to these scenarios:

F-1 3166-A2-GB20-10 November 1998 IP Networking Address Scenario F Overview This appendix describes a means of configuring 31xx Series devices in anInternet Protocol (IP) network to provide SNMP or Telnet connectivity. Since thereare many possible network addressing schemes, this appendix describes ...

Page 166 - Scenario 1; ) is a series of standalone 31xx Series devices daisy; Daisy-Chained Standalone at the Central Site

IP Networking Address Scenario F-2 3166-A2-GB20-10 November 1998 The choice of a host address within a given subnet is completely arbitrary.Choose any legal host address for a given subnet, without regard to the localor remote devices. Although the default route (to the NMS) is configurable for all ...

Page 167 - Scenario 2; The second scenario (; Local Carrier with Remote Standalone

IP Networking Address Scenario F-3 3166-A2-GB20-10 November 1998 Scenario 2 The second scenario ( Figure F-2 ) is a carrier communicating with standalone remotes. This scenario is similar to the previous one, treating the carrier devicesas the daisy-chained devices. All devices are still on the same...

Page 168 - Scenario 3; This third scenario (; Local Carrier Connection to Remote Carriers

IP Networking Address Scenario F-4 3166-A2-GB20-10 November 1998 Scenario 3 This third scenario ( Figure F-3 ) shows a local carrier connected to remote carriers that have remote standalones. Each carrier must be on a separatesubnet but, as in the previous scenario, the carrier-remote combination ca...

Page 169 - Scenario 4; An alternative addressing scheme, for the network is shown in; Local Carrier Connected to Remote Carriers – an Alternative

IP Networking Address Scenario F-5 3166-A2-GB20-10 November 1998 Scenario 4 An alternative addressing scheme, for the network is shown in Figure F-4 . This example uses a subnet mask of FF.FF.00.00 for the COM port in the central-sitecarrier (only), with all of the remaining subnet masks set to FF.F...

Page 170 - Scenario 5; illustrates multiple COM ports on the same carrier connected to; Multiple COM Ports Connected to Different NMSs

IP Networking Address Scenario F-6 3166-A2-GB20-10 November 1998 Scenario 5 Figure F-5 illustrates multiple COM ports on the same carrier connected to different NMSs. This might be used in service-provider applications, where someof the carrier’s circuit cards (and their remotes) are managed by one ...

Page 172 - To install Front Panel Emulation software:

Front Panel Emulation G-2 3166-A2-GB20-10 November 1998 Procedure To install Front Panel Emulation software: 1. Insert the diskette into the appropriate drive. 2. Select File → Run from Program Manager menu (Windows 3.x) or Run... from the Start menu (Windows 95 or above) 3. Type A:INSTALL and click...

Page 173 - Starting Front Panel Emulation; To start front panel emulation:

Front Panel Emulation G-3 3166-A2-GB20-10 November 1998 Starting Front Panel Emulation If the DSU/CSU selected is not locally attached to the PC, you must first dial tothe remote DSU/CSU before starting front panel emulation. The modem attachedto the PC must support AT commands for the Front Panel E...

Page 175 - Resetting the ATI

H-1 3166-A2-GB20-10 November 1998 Asynchronous Terminal InterfaceOperation H Overview You can configure and manage the 3166 DSU/CSU from an asynchronousterminal that is configured for 9.6 kbps, 8 characters, no parity, and 1 stop bit. This appendix provides operational examples to help you become fa...

Page 176 - Asynchronous Terminal Interface Operation; Initiating an ATI Session; shows the Main Menu screen.; Ending an ATI Session; Main Menu Screen

Asynchronous Terminal Interface Operation H-2 3166-A2-GB20-10 November 1998 Initiating an ATI Session Once the appropriate configuration option changes have been made and accessis established, the Main Menu screen appears (unless a password is required). Figure H-1 shows the Main Menu screen. The DS...

Page 177 - Figure H-2 shows the organization of the ATI menu tree.; Menu Organization

Asynchronous Terminal Interface Operation H-3 3166-A2-GB20-10 November 1998 Menu Organization ATI menus differ from SDCP menus in that they typically do not use abbreviationsand, in some cases, provide a more direct access to an option or function. Figure H-2 shows the organization of the ATI menu t...

Page 178 - Using ATI Screens; There are three types of ATI screens.; Screen Function Keys

Asynchronous Terminal Interface Operation H-4 3166-A2-GB20-10 November 1998 Using ATI Screens There are three types of ATI screens. Menu screens list selections available through the menu system. Input screens allow you to edit or change information on a screen usingscreen function keys (Table H-1) ...

Page 179 - Keyboard Keys; — The following procedures are examples only. This appendix uses

Asynchronous Terminal Interface Operation H-5 3166-A2-GB20-10 November 1998 Table H-2. Keyboard Keys Keyboard Key Usage Ctrl-a Moves the cursor between the Screen area and theScreen Function Keys area. Esc Returns to the previous screen. Tab Moves the cursor to the next field. Back (Shift) Tab or Ct...

Page 180 - Customer Identification Screen

Asynchronous Terminal Interface Operation H-6 3166-A2-GB20-10 November 1998 Setting Customer Identification The customer identification is used to uniquely identify the DSU/CSU. Procedure To change the customer identification (Customer ID): 1. From the Main Menu screen, select Control. The Control s...

Page 181 - To display LED conditions:; Example of Display LEDs Screen

Asynchronous Terminal Interface Operation H-7 3166-A2-GB20-10 November 1998 Displaying LED Conditions The same conditions monitored by the front panel LEDs can also be monitoredby the Display LEDs screen. This screen is most useful when the DSU/CSU isbeing accessed remotely. Procedure To display LED...

Page 182 - Displaying or Editing Configuration Options; To display or edit configuration options:; Configuration Load Screen

Asynchronous Terminal Interface Operation H-8 3166-A2-GB20-10 November 1998 Changing Configuration Options Use the Configuration branch of the main menu to display or change DSU/CSUconfiguration options. Refer to Changing Configuration Options in Chapter 3, Operation, and Appendix C, Configuration O...

Page 183 - Configuration Edit/Display Screen; Select a functional group to display or edit.

Asynchronous Terminal Interface Operation H-9 3166-A2-GB20-10 November 1998 2. From the Load Configuration From screen, select a configuration option set to load (Current, Customer 1, Customer 2, Default Factory 1, or DefaultFactory 2). You cannot edit the Default Factory configuration options, but ...

Page 184 - Configuration Save Screen

Asynchronous Terminal Interface Operation H-10 3166-A2-GB20-10 November 1998 Saving Edit Changes Procedure To save edit changes: 1. From the last edit screen, select Save. The Save Configuration To screen appears (Figure H-7). 2. From the Save Configuration To screen, select a configuration option s...

Page 185 - Establishing Access Security on a Port; Setting a; Enabling a Password

Asynchronous Terminal Interface Operation H-11 3166-A2-GB20-10 November 1998 Establishing Access Security on a Port Although the password feature is available, it is not required. If used, it ensuresaccess security before control is passed to a device connected to a port. Thefollowing procedure is a...

Page 186 - The Control screen appears.; Enter a new password in the Password field.

Asynchronous Terminal Interface Operation H-12 3166-A2-GB20-10 November 1998 Setting a Password In addition to establishing access security on a port (refer to the previous section, Establishing Access Security on a Port ), the password itself is set. Unless you specify otherwise, the password is nu...

Page 187 - reappears and waits for password entry.; Entering a Password

Asynchronous Terminal Interface Operation H-13 3166-A2-GB20-10 November 1998 Entering a Password to Gain Access When access security is required, the Login screen (Figure H-10) appears beforeyou can access the Main Menu screen. The password must be entered. If the password is valid, the DSU/CSU’s to...

Page 189 - Equipment

I-1 3166-A2-GB20-10 November 1998 Equipment List I Equipment Feature Number Model 3166 DSU/CSU 3166-B3-010 Front Panel Emulation Software 3100-C1-010 T1 Line Interface Cable, RJ48C-to-RJ48C (20 ft) 3100-F1-500 T1 Line Interface Cable, RJ48C-to-DA15P (Canada) (15 m) 3100-F1-510 COM Port-to-Terminal/P...

Page 191 - Glossary

GL-1 3166-A2-GB20-10 November 1998 Glossary A test pattern consisting of a one (1) followed by seven zeros (on the network only). A rack-mounted device containing 17 slots in which to place circuit cards. Alternate Channel Alternate Mark Inversion. A method of allocating DS0 channels as agroup, so t...

Page 201 - Index

IN-1 3166-A2-GB20-10 November 1998 Index A abort lamp test, 4-31 loopback, 4-25 test patterns, 4-28 ACAMI method of channel allocation, 3-31 Access, Community Name, C-21 Activ (Active) configuration area, functional description, 3-11 addressing. See IP (Internet Protocol) addressing agent, SNMP, 1-2...

Paradyne 3166 CSU - Manual

Table of Contents:

Summary

Other Paradyne Models