Page 4 - ONTENTS
i C ONTENTS A BOUT T HIS R EFERENCE Finding Specific Information in This Reference ........................................iConventions .......................................................................................... iiContacting 3Com...........................................................
Page 5 - Allowing for ALERTING message in response to SETUP request 2-9
ii Menu Option 10 ........................................................................... 2-6 Configuring the span line’s interface ID.................................... 2-6 Menu Option 11 ........................................................................... 2-6 Configuring span level cal...
Page 6 - UAL
iii Menu Option 4 .......................................................................... 2-15 Assigning timing source priority ............................................ 2-15 Menu Option 5 .......................................................................... 2-15 Configuring chassis slot ...
Page 9 - If you are looking for
A BOUT T HIS R EFERENCE About This Reference provides an overview of this reference, tells where to look for specific information and how to contact 3Com, and lists document conventions. This reference describes how to configure the Dual T1/PRI via its user interface (UI) console. This reference is ...
Page 10 - Conventions; This table lists conventions used throughout this reference.; Contacting 3Com; Call the appropriate number listed below for technical support.; Icon; Information note
ii A BOUT T HIS R EFERENCE Conventions This table lists conventions used throughout this reference. Contacting 3Com Call the appropriate number listed below for technical support. ■ If you are calling from the United States or Canada Dial 1.800.231.8770 ■ If you are calling from Europe, Middle East,...
Page 11 - VERVIEW; Supported Features; These features are supported in this release:
1 O VERVIEW This chapter contains an overview of supported features and instructions for accessing the Dual T1/PRI Network Application Card (NAC) through the user interface (UI) console. Supported Features These features are supported in this release: ■ RFC-1406 (Definitions of Managed Objects for t...
Page 12 - Description; DB-25 male connector to modem for remote operations
1-2 C HAPTER 1: O VERVIEW Callout # Description 1 RJ-45 connector to NIC’s RS-232 port 2 DB-25 male connector to modem for remote operations 3 DB-25 female-to-female null modem adapter to PC or terminal
Page 14 - The framing mode selects the T1 format.
2-2 C HAPTER 2: D UAL T1/PRI C ONFIGURATION The UI console menu options for configuring both spans are identical. Selecting options 5 or 6 from the main menu produces this screen for that span: Menu Option 1 Configuring the span line’s framing mode The framing mode selects the T1 format. Menu Option...
Page 15 - Configuring Span Lines 1 and 2; This diagram represents this process.; Menu Option 4; Encoded HDB3 Signal
Configuring Span Lines 1 and 2 2-3 This diagram represents this process. Configure the NAC framer to respond or ignore the loop-up/loop-down pattern from the Telco. Menu Option 4 Configuring the span line’s jitter attenuation Jitter attenuation on the span line enhances the network interface card (N...
Page 16 - There are four attenuation values to choose from:; Menu Option 6; The following switch types are supported:; Menu Option 7
2-4 C HAPTER 2: D UAL T1/PRI C ONFIGURATION There are four attenuation values to choose from: ■ 0.0 dB (default) ■ 7.5 dB ■ 15.0 dB ■ 22.5 dB Menu Option 6 Configuring for the Telco’s switch type In order to receive or place calls to the Telco on the span line, configure the NAC to work with the typ...
Page 17 - Menu Option 8
Configuring Span Lines 1 and 2 2-5 Menu Option 8 Mapping the span line’s DS0s to chassis modems The Total Control chassis contains 17 NAC slots. Two typical chassis configurations are: ■ Configuration 1 ■ Slot 1: T1/PRI Card ■ Slots 2–16: Quad Modem or Quad I-modem Cards ■ Slot 17: Network Managemen...
Page 18 - Configure the call-type blocking feature for one of these:
2-6 C HAPTER 2: D UAL T1/PRI C ONFIGURATION Menu Option 9 Configuring the span line’s signaling channel If using non-facility associated signaling (NFAS), configure a B- or D-channel for signaling purposes. Menu Option 10 Configuring the span line’s interface ID If using NFAS, configure the interfac...
Page 19 - CCT; Configuration changes will take place immediately.; Menu Option 13; Any changes made will take effect on the next call.; Cause Code Type; All calls blocked
Configuring Span Lines 1 and 2 2-7 The following types of cause codes are supported: Use the following syntax when configuring this option: CCT:CCV Where: CCT = Cause code type CCV = Cause code value (0–127) Pressing R at the prompt resets all codes to the default value of 58. Configuration changes ...
Page 20 - Use the following syntax when configuring this option:
2-8 C HAPTER 2: D UAL T1/PRI C ONFIGURATION Where: BCT = blocked call type (A for analog calls, N for none, D for digital, B for both analog and digital.) DS0# = DS0 number, 1–23 (24 is reserved as the D-channel) The blocked call-type column has two subheadings: configured and current. As changes ar...
Page 21 - Menu Option 16; The ALERTING message is in accordance with the Q.931 standard.
Configuring Span Lines 1 and 2 2-9 Configure the Short Haul NIC to handle the following cable lengths: ■ 0 – 133 ft. ■ 134 – 266 ft. ■ 267 – 399 ft. ■ 400 – 533 ft. ■ 534 – 655 ft. If there is no Short Haul NIC installed behind the T1/PRI NAC, the main menu’s current setting for this option is not a...
Page 22 - Pressing option 4 at the main menu prompt produces this screen:; Menu Option 1
2-10 C HAPTER 2: D UAL T1/PRI C ONFIGURATION Configuring Inbound Call Routing Configure inbound call routing by selecting option 4 from the UI console’s main menu. Pressing option 4 at the main menu prompt produces this screen: Menu Option 1 Selecting a Gateway to process digital calls Digital calls...
Page 23 - Configuring Inbound Call Routing
Configuring Inbound Call Routing 2-11 Menu Option 3 Configuring inbound call routing Configure inbound phone numbers assigned to a span line for a specific call type, analog or digital, for routing purposes. In order to route analog calls, the card must be configured to accept analog in menu option ...
Page 25 - Use the following syntax to assign a pool type to a pool ID:
Configuring Inbound Call Routing 2-13 Use the following syntax to assign a pool type to a pool ID: ID:PT Where: ID = pool ID PT = pool type (analog, digital, both, none, or clear (clears pool type and inbound phone #)) CAUTION: Changing pool types will trigger an automatic update to device-to-pool m...
Page 26 - Menu Option 9; Pressing option 3 at the main menu prompt produces this screen:
2-14 C HAPTER 2: D UAL T1/PRI C ONFIGURATION Menu Option 9 Allowing ISDN-GWC termination This is the maximum number of digital (such as Terminal Adapter v.110, v.120) calls terminated directly by the ISDN gateway. All other digital calls are terminated by the Quad (I-modem). Maximum performance is g...
Page 27 - Configuring the Card; Quad Modem Card
Configuring the Card 2-15 Menu Option 2 Restoring configuration from NVRAM This option allows you to return the NAC to configuration settings stored in NVRAM. Menu Option 3 Restoring the default configuration After saving configuration changes to NVRAM, you may decide at a later date that changes ne...
Page 28 - Routes calls to the very next modem channel available.
2-16 C HAPTER 2: D UAL T1/PRI C ONFIGURATION The configurations made with this option are subject to verification by chassis awareness. For example, if a modem is configured that is not present in the chassis, the configuration request is automatically rejected with no error message displayed. Menu ...
Page 29 - Configuring Software Fault Event Logging; Companding standard used outside of North America.
Configuring Software Fault Event Logging 2-17 Menu Option 9 Companding Code Configuration Companding is the process of compressing a signal’s amplitude for transmission and then expanding it back to its original form at the receiving end. It is used to reduce the signal-to-noise ratio on the line. T...
Page 31 - Selecting option 1 from the main menu produces this screen:; Issuing this command reboots the NAC.; Menu Option 3; This option is useful for testing purposes.
3-2 C HAPTER 3: D UAL T1/PRI M AINTENANCE Selecting option 1 from the main menu produces this screen: Many of the Command Menu options have corresponding configurable parameters in other menus of the UI console. Issuing commands will not affect the configured parameters except at the time of initial...
Page 34 - Logging Out of the UI Console
Logging Out of the UI Console 3-5 Logging Out of the UI Console Exit the Dual T1/PRI UI console by selecting option 8, the logout command, from the console’s main menu. Use this option in conjunction with the UI console’s password protection feature in the card configuration option of the main menu....
Page 35 - Selecting option 2 from the main menu produces this screen:
4 D UAL T1/PRI S TATUS D ISPLAYS This chapter contains information about Dual T1/PRI status displays. Dual T1/PRI Status Displays Access the Dual T1/PRI NAC status display options by selecting option 2 from the user interface (UI) console’s main menu. Selecting option 2 from the main menu produces t...
Page 37 - Dual T1/PRI Status Displays; Menu Option 2
Dual T1/PRI Status Displays 4-3 ■ Line Interface Unit 1/2 The power-up code verifies whether or not the NIC is present and then configures the CSU on the NIC to local loopback mode. The failure level for this test is Non-critical. ■ Flash ROM 12v Test This self-test checks and verifies that the 12v ...
Page 39 - Menu Options
Dual T1/PRI Status Displays 4-5 The ID (slot #) column represents the chassis slot numbers, 1–16 The status column displays one of these: ■ AVAIL The NETServer PRI is installed in the corresponding chassis slot and is idle. ■ Un-Avail There is no NETServer PRI installed in the corresponding slot, or...
Page 42 - Loop Back
4-8 C HAPTER 4: D UAL T1/PRI S TATUS D ISPLAYS ■ Excessive CRC Error Indication (ECRCEI) This is reported in ESF format when 32 of any 33 consecutive CRCs are in error. The status report indicates whether or not this event occurred. A counter records the number of times an event occurred since the l...
Page 43 - Failed Seconds
Dual T1/PRI Status Displays 4-9 ■ Failed Seconds This indicates the number of seconds in failed state operation. A failed state is defined as 10 consecutive seconds during which severely errored seconds occur. ■ D-Channel Operational This indicates the state of the ISDN D-channel. Up indicates that ...
Page 44 - Using the LEDs; LED; Carrier Detect indicators for span lines
A T ROUBLE C LEARING This appendix contains Dual T1/PRI Network Application Card (NAC) trouble clearing information. Using the LEDs The Dual T1/PRI NAC has six LEDs on the front panel, three per span, that indicate line signal conditions. LED Purpose CD1 & CD2 Carrier Detect indicators for span ...
Page 45 - Alarm LEDs will still register during loopback.; Levels; T1 Condition
A-2 A PPENDIX A: T ROUBLE C LEARING *If Layer 1 alarms exist, Layer 2 status is not indicated. If LEDs indicate an alarm condition, refer to the alarm event status screen for details. Alarm LEDs will still register during loopback. About T1/PRI Alarm Levels Layer 1 alarm conditions are categorized i...
Page 46 - Correcting; Level
Using the LEDs A-3 Correcting Alarm/Error Conditions Alarm/Error Level Trouble Clearing Remote Frame Alarm (RFA) Yellow ■ Verify that the NAC is configured properly according to the services provisioned by the Telco. Contact the Telco if necessary. ■ Check the cables—do not use a flat cable. ■ Check...
Page 47 - Using SNMP Traps; The T1/PRI NAC triggers traps at both the card and span levels.
A-4 A PPENDIX A: T ROUBLE C LEARING Using SNMP Traps The Total Control Enterprise Network Hub provides for the management of the Dual T1/PRI NAC via the Network Management Card (NC) NAC. The NMC manages the Dual T1/PRI and other cards in the chassis using Simple Network Management Protocol (SNMP). O...
Page 48 - Certification; Regulatory; FCC Part 15 Compliance Statement; Current Draw; Safety; JATE
B T ECHNICAL S PECIFICATIONS Certification Regulatory Compliance Statements United States FCC Part 15 Compliance Statement 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 reaso...
Page 49 - Environment; Shipping and Storage; Inches
B-2 A PPENDIX B: T ECHNICAL S PECIFICATIONS Environment Shipping and Storage Operating Physical Dimensions Temperature: -25 to 75 ° C, -13 to 167 ° F Relative Humidity: 0 to 100%, Non-condensing Temperature: 0 to 40 ° C, 32 to 104 ° F Relative Humidity: 0 to 95%, Non-condensing Inches Centimeters Le...
Page 50 - NDEX; Entering and exiting locally initiated loopbacks on the
I NDEX A About Dual Channelized T1 (386) Alarm Levels A-4About T1/PRI Alarm Levels A-4Accessing the User Interface 1-1Allowing for ALERTING message in response to SETUP request 2-9 Allowing ISDN-GWC termination 2-14Allowing modem analog calls 2-10Assigning timing source priority 2-15 C Certification...
Page 51 - Mapping digital reserved pools to chassis
I NDEX -2 Mapping digital reserved pools to chassis Gateways 2-13 Mapping inbound phone numbers to reserved pools 2-12 Mapping the span line’s DS0s to chassis modems 2-5 P Physical Dimensions B-2 R Regulatory Compliance Statements B-1Resetting the highest priority timing source 3-2Resetting the PRI ...
