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This appendix describes the ports and connectors that are used to configure the Cisco Optical Regenerator to other network components. It covers the following information:
For configuration examples using cables with Cisco Optical Regenerator ports and connectors, see "Connecting to Your Network" in the "Installing the Cisco Optical Regenerator" chapter. See Figure B-1 to review the locations of the Ethernet and console ports and fiber optic connectors.

The Cisco Optical Regenerator comes with a cable accessory kit that contains the cables and adapters you need to connect a terminal, a PC running communication software, or a modem to your regenerator. The cable accessory kit includes the following items:
Use the RJ-45 to RJ-45 rollover cable and RJ-45 to DB-9 female DTE adapter (labeled Terminal) to connect the console port to a PC running terminal emulation software. Table B-1 lists the pinouts for the console port cable and adapter. See Figure B-2.

You can identify a rollover cable by comparing the two modular ends of the cable. Hold the cables side-by-side, with the tab at the back, the wire connected to the pin on the outside of the left plug should be the same color as the wire connected to the pin on the outside of the right plug. (See Figure B-3). If your cable came from Cisco Systems, pin 1 will be white on one connector, but pin 8 will be white on the other (a roll-over cable reverses pins 1 and 8, 2 and 7, 3 and 6, plus 4 and 5).

Table B-1 shows the pin-outs for the DB-9 Adapter. Use the RJ-45-to-RJ-45 roll-over cable and RJ-45-to-DB-25 female DTE adapter (labeled Terminal) to connect the console port to a terminal.
| Console Port (DTE) | RJ-45 to RJ-45 Roll-Over Cable | RJ-45 to DB-9 Terminal Adapter | Console Device | |
|---|---|---|---|---|
| Signal | RJ-45 Pin | RJ-45 Pin | DB-9 Pin | Signal |
RTS | 11 | 8 | 8 | CTS |
DTR | 2 | 7 | 6 | DSR |
TxD | 3 | 6 | 2 | RxD |
GND | 4 | 5 | 5 | GND |
GND | 5 | 4 | 5 | GND |
RxD | 6 | 3 | 3 | TxD |
DSR | 7 | 3 | 4 | DTR |
CTS | 81 | 1 | 7 | RTS |
| 1Pin 1 is connected internally to pin 8. |
Table B-2 lists the pinouts for the asynchronous serial console port, the RJ-45 to RJ-45 roll-over cable, and the RJ-45 to DB-25 female DTE adapter (labeled Terminal).
| Console Port (DTE)1 | RJ-45-to-RJ-45 Roll-Over Cable | RJ-45-to-DB-25 Terminal Adapter | Console Device | |
|---|---|---|---|---|
| Signal | RJ-45 Pin | RJ-45 Pin | DB-25 Pin | Signal |
RTS | 12 | 8 | 5 | CTS |
DTR | 2 | 7 | 6 | DSR |
TxD | 3 | 6 | 3 | RxD |
GND | 4 | 5 | 7 | GND |
GND | 5 | 4 | 7 | GND |
RxD | 6 | 3 | 2 | TxD |
DSR | 7 | 3 | 20 | DTR |
CTS | 81 | 1 | 4 | RTS |
| 1You can use the same cabling to connect a console to the auxiliary port. 2Pin 1 is connected internally to pin 8. |
The Cisco Optical Regenerator has two pair of fiber connectors for bidirectional transmission. The left fiber connector interfaces with an OC-48 regeneration port that transmits data. The right fiber connector interfaces with an OC-48 regeneration port that receives data. The SC connector supports single-mode fiber-optic transmissions. The SC connector is the default connector for the regenerator as specified by the Telecommunications Industry Association (TIA) as the Fiber-Optic Cable Intermatability Standard (FOCIS-3). See Figure B-4.

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Posted: Tue May 9 19:00:34 PDT 2000
Copyright 1989 - 2000©Cisco Systems Inc.