WTI PLS-345 - Manuals

1 . I n t r o d u c t i o n The PLS-345 Physical Layer Switch is a versatile A/B switching system, which can be controlled over any TCP/IP network using standard Telnet, or out-of-band using an external modem and basic VT100 type terminal emulation. Each of the three A/B circuits can be switched via...

Applications · Controlled A/B Switching of Cat5 Connections. · A/B Routing of 10/100Base-T Ethernet, ISDN, DSL, Telco, or RS-232 Lines. · Remote Switching to "Out-of-Service" or "Off-Line" Conditions. · Switch to Backup Firewall or VPN. · Disaster Recovery Switching. Features · Three...

2 . U n i t D e s c r i p t i o n 2 . 1 . F r o n t P a n e l As shown in Figure 2.1, the PLS-345 Front Panel includes the following components: À Circuit 1: Status indicator lights and manual controls for Circuit 1. Includes the following:A) Line "A" Selector Button and Status LED: Press th...

3 . Q u i c k S t a r t / S y s t e mO v e r v i e w This section provides a brief overview of basic PLS capabilities, and describes a simple test that can be performed to verify that you are able to communicate with the unit.The Quick Start procedure is included primarily to provide a quick demonst...

3. Access the Command Mode: In order to invoke commands and display status screens, you must first access the PLS command mode via Network, modem, or Console Port (local PC.) For more information, on command mode access, please refer to Section 5.2. Notes: • Network Access: The PLS includes a defaul...

4 . I n s t a l l a t i o n 4 . 1 . P o w e r S u p p l y C o n n e c t i o n Connect the PLS-345 to an appropriate power supply. CAUTIONS: • This device should only be operated with the type of power source indicated on the instrument nameplate. If you are not sure of the type of power service avai...

5 . S e t U p a n d C o n f i g u r a t i o n 5 . 1 . S y s t e m M o d e a n d U s e r M o d e In order to restrict access to sensitive command functions, the PLS-345 features two separate operating modes; System Mode and User Mode.The System Mode allows access to all configuration menus, A/B switc...

5 . 2 . C o m m u n i c a t i n g w i t h t h e P L S - 3 4 5 In order to configure the unit or invoke command functions, you must first connect to the PLS-345 and access the command mode. 1. Start your communications program (e.g. Hyperterminal.) Make certain that the PLS and your communications pr...

5 . 4 . D e f i n i n g G e n e r a l P a r a m e t e r s When the "PLS>" prompt appears, type /G [Enter] to display the General Parameters menu (Figure 5.2). Note that this menu is only available in System Mode; if you have accessed the PLS Command Mode with the User Password, you must l...

7. Command Echo: Enables/disables command echo. When enabled, commands sent to the PLS will be echoed back to your PC, allowing keystrokes to be displayed. To enable or disable the command echo, type 7 , press [Enter] , and follow the instructions in the submenu. (Default = Off.) 8. Inactivity Timeo...

5 . 5 . C i r c u i t P a r a m e t e r s The Circuit Parameters menus are used to assign names and select default A/B positions for each of the switched A/B circuits. There is a separate Circuit Parameters menu for each A/B circuit. Note that the Circuit Parameters menus are not available in User M...

3. "B" Name (To): Assigns a name to the "B" line for this A/B circuit. When a name is assigned to the "B" line, and the circuit is in the "B" position, this name will appear in the "To" column on the PLS Circuit Status Screen. To assign a name to the "B...

5 . 6 . 1 . I m p l e m e n t i n g I P S e c u r i t y The PLS-345 can be configured to restrict unauthorized IP addresses from Telneting to the unit. This allows the user to grant Telnet access only to a specific group of IP Addresses, or block a particular IP address from gaining access. In the d...

5 . 8 . S a v e C o n f i g u r a t i o n P a r a m e t e r s After the unit has been completely configured, it is recommended to save parameters to an ASCII file as described in Section 8. This allows quick recovery in the event that the unit is reset to default parameters, or if the configuration ...

6 . T h e S t a t u s S c r e e n s The PLS Status Screens are used to display current conditions of the three switched A/B circuits and the network interface. There are two status screens; the Circuit Status Screen (/S), and the Network Status Screen (/SN). 6 . 1 . T h e C i r c u i t S t a t u s S...

6 . 2 . T h e N e t w o r k S t a t u s S c r e e n The Network Status Screen lists the TCP port number, source port, source IP address and other Network related parameters. Note that the Network Status Screen is used primarily for diagnostic purposes, for a listing of current network parameters suc...

7 . O p e r a t i o n The PLS-345 offers three different methods for switching A/B paths: 1. Manual A/B Switching: The manual A/B Switches on the PLS front panel are used to initiate switching of one or more A/B Circuits. 2. Code Activated A/B Switching: ASCII commands are sent to the PLS to initiat...

7 . 2 . C o d e A c t i v a t e d A / B S w i t c h i n g The PLS offers three different commands for controlling A/B switching: · The /A command, which is used to switch one or more circuits to the "A" line. · The /B command, which is used to switch one or more circuits to the "B" l...

The Command Confirmation Prompt: Normally, when the /A or /B commands are invoked, the PLS will prompt you for confirmation before actually implementing the command. If you wish to suppress this confirmation prompt, and execute commands without confirmation, you can employ one of the following metho...

8 . S a v i n g a n d R e s t o r i n gC o n f i g u r a t i o n P a r a m e t e r s After the PLS has been properly configured, parameters can be downloaded and saved as an ASCII text file. Later, if the configuration is accidentally altered, the file with the saved parameters can be uploaded to au...

4. The PLS will send a series of ASCII command lines which specify the currently selected PLS parameters. The last line of the file should end with a “ /G-00 ” command. When the download is complete, press [Enter] to return to the "PLS>" command prompt. 8 . 2 . R e s t o r i n g S a v e d...

9 . A p p l i c a t i o n E x a m p l e s 9 . 1 . M o n i t o r i n g S i g n a l D r o p a n d / o r P o w e r L o s s In this application, the PLS-345 will monitor the DTR signal from a data device. If the signal drops or the data device loses power for more than one minute, the unit will automati...

9 . 2 . M o n i t o r i n g a C o n t a c t In this application, the PLS will monitor a switch or contact. When the contact closes (signal goes low) for more than one minute, the PLS will automatically switch module 1 to the "B" position. Later, if the contact returns to the open position, t...

1 0 . C o m m a n d S u m m a r y All PLS-345 commands conform to the following standards: · All commands normally begin with the " / " (foreword slash) character. If you wish to temporarily suppress command echo, use the "\" ( backward slash) character instead of a forward slash. · ...

/ S N D i s p l a y N e t w o r k S t a t u s Displays a status screen (Figure 6.2), which lists current network parameters, such as the TCB port, Telnet port, and network status. Command Format: /SN [Enter] Response: Displays Network Status Screen, followed by the PLS> command prompt. Command Av...

/ N V i e w / S e t N e t w o r k P a r a m e t e r s Displays the Network Parameters Menu (Figure 5.4), which is used to define the IP Address, Subnet Mask, Gateway Address and access the IP Security Menu. For more information on the Network Parameters Menu, please refer to Section 5.6. Command For...

/ D S e t C i r c u i t s t o D e f a u l t Switches all PLS-345 circuits to their default A/B state. Note that the default A/B state is set using the Circuit Parameters Menu, as described in Section 7.2.2. Command Format: /D [Enter] Command Arguments: ,y Suppress Confirmation (Sure) Prompt. For exa...

/ X E x i t / D i s c o n n e c t Exits from command mode. When you have contacted the PLS via network, the unit will exit command mode and the network connection will be terminated. When you have contacted the PLS via modem, the unit will exit command mode and the modem will hang up. When you have ...

A . I n t e r f a c e D e s c r i p t i o n s A . 1 C o n s o l e P o r t I n t e r f a c e A . 2 M o d e m P o r t I n t e r f a c e Apx-1 Figure A.1: Console Port Interface Figure A.2: Modem Port Interface

A . 3 C o m m o n P o r t s a n d A / B P o r t s Apx-2 PLS-345 - Physical Layer Switch; User's Guide Figure A.3: Common Ports and A/B Ports

B . S p e c i f i c a t i o n s Interface: RJ-45, three jacks, Cat5 compliant, capable of switching 10/100Base-T with minimum dB loss, 8 pins switched, Common Jack to "A" or "B" Jack. Contacts: High reliability, mechanical relays, break-before- make contacts with 1 amp @ 30 VDC ratin...

C . C u s t o m e r S e r v i c e Customer Service hours are from 8:00 AM to 5:00 PM, PST, Monday through Friday. When calling, please be prepared to give the name and make of the unit, its serial number and a description of its symptoms. If the unit should need to be returned for factory repair it ...

Index # 100BaseT Networks 2-3, 4-2 A A Name (To) 5-8 A/B Lines 4-2 A/B Settings 6-1 to 6-2 A/B Switching 7-1 to 7-4, 10-4 Code Activated 7-2 Manual 7-1 Monitor Mode 9-1 A/C/B Circuits Apx-2 A/C/B Indicators 2-1 Application Examples 9-1 to 9-4 Automated Mode 5-7 Automatic A/B Switching 5-13 to 5-15 B...