Cable Specifications. Interface Specifications. Fiber-Optic Specifications APPENDIXB

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1 APPENDIXB This appendix lists the cable specifications for supported modules on the Cisco 7600 series router. The following signal summaries are contained in this appendix: Interface Specifications, page B-1 Fiber-Optic Specifications, page B-1 Switching Module RJ-45 10/100BASE-TX Ports, page B-2 Supervisor Engine 2 Console Port Signals and Pinouts, page B-2 Interface Specifications Table B-1 lists the interface specifications for the OSMs. Table B-1 Cisco 7600 OSM Interface Specifications Cisco 7600 OSMs 1-port and 2-port channelized OC-48 2-port and 4-port OC-12 POS 4-port and 8-port channelized OC-12 8-port and 16-port OC-3 POS Physical Layer Interface OC-48 OC-12c OC-12 OC-3c Mbps per Interface Mbps; full Mbps; full Mbps; full Mbps; full 2-port OC-12 ATM OC-12c Mbps; full Interface (Quantity and Type) 1 or 2 LC-type connectors 2 or 4 SC-type connectors 4 or 8 LC-type connectors 8 or 16 MT-RJ connectors 2 SC-type connectors Fiber-Optic Specifications The specification for optical fiber transmission defines two types of fiber: single-mode and multimode. Within the single-mode category, three transmission types are defined: short reach, intermediate reach, and long reach. Within the multimode category, only short reach is available. Specifications for OC-3, OC-12, OC-48, and Gigabit Ethernet are in the Determining Cable Distances section on page B-1

2 Switching Module RJ-45 10/100BASE-TX Ports Appendix B Switching Module RJ-45 10/100BASE-TX Ports Table B-2 lists the signals for the RJ-45 10/100BASE-TX ports. The receive and transmit signals are polarized. One pin of each signal pair carries the positive (+) signal, and the other pin carries the negative ( ) signal. Note Table B-2 lists the signals for the RJ-45 10/100BASE-TX connector, not the pinouts of the cable connecting to the port. Table B-2 RJ-45 10/100BASE-TX Signals Pin Signal Description 1 RxD (+) Receive Data (+) 2 RxD ( ) Receive Data ( ) 3 TxD (+) Transmit Data (+) 4 NC No Connection 5 NC No Connection 6 TxD ( ) Transmit Data ( ) 7 NC No Connection 8 NC No Connection Supervisor Engine 2 Console Port Signals and Pinouts The Cisco 7600 series router comes with an accessories box that contains the cable and adapters you need to connect a console (an ASCII terminal or PC running terminal emulation software) or modem to the console port. The accessories box includes these items: RJ-45-to-RJ-45 rollover cable RJ-45-to-DB-9 female DTE adapter (labeled Terminal ) RJ-45-to-DB-25 female DTE adapter (labeled Terminal ) RJ-45-to-DB-25 male DCE adapter (labeled Modem ) This cable and these adapters also ship with the Cisco 2500 series routers and other Cisco products. Console Port Mode Switch The Supervisor Engine 2 front-panel console port mode switch allows you to connect a terminal or modem to the console port as follows: Note Use a ballpoint pen tip or other small, pointed object to access the console port mode switch. The switch is shipped in the in position. Mode 1 Switch in the in position. Use this mode to connect a terminal to the console port using the RJ-45-to-RJ-45 rollover cable and DTE adapter (labeled Terminal ). B-2

3 Appendix B Supervisor Engine 2 Console Port Signals and Pinouts You can also use this mode to connect a modem to the console port using the RJ-45-to-RJ-45 rollover cable and DCE adapter (labeled Modem ). See the Console Port Mode 1 Signaling and Pinouts section on page B-3. Mode 2 Switch in the out position. Use this mode to connect a terminal to the console port using the Catalyst 5000 family Supervisor Engine III console cable and appropriate adapter for the terminal connection (cable and adapter are not provided). See the Console Port Mode 2 Signaling and Pinouts section on page B-5. Identifying a Rollover Cable You can identify a rollover cable by comparing the two ends of the cable. Holding 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-1.) If your cable was purchased from Cisco Systems, pin 1 will be white on one connector, and pin 8 will be white on the other. (A rollover cable reverses pins 1 and 8, 2 and 7, 3 and 6, and 4 and 5.) Figure B-1 Identifying a Rollover Cable Pin 1 and pin 8 should be the same color Pin 1 Pin 8 H3824 Console Port Mode 1 Signaling and Pinouts This section provides the signaling and pinouts for the console port in mode 1 (console port mode switch in the in position). DB-9 Adapter (for Connecting to a PC) 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-3 lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-9 female DTE adapter. B-3

4 Supervisor Engine 2 Console Port Signals and Pinouts Appendix B Table B-3 Port Mode 1: Console Port Signaling and Pinouts (DB-9 Adapter) Console Port RJ-45-to-RJ-45 Rollover Cable RJ-45-to-DB-9 Terminal Adapter Console Device Signal RJ-45 Pin RJ-45 Pin DB-9 Pin Signal RTS CTS DTR DSR TxD RxD GND GND GND GND RxD TxD DSR DTR CTS RTS DB-25 Adapter (for Connecting to a Terminal) Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-25 female DTE adapter (labeled Terminal ) to connect the console port to a terminal. Table B-4 lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 female DTE adapter. Table B-4 Port Mode 1: Console Port Signaling and Pinouts (DB-25 Adapter) Console Port RJ-45-to-RJ-45 Rollover Cable RJ-45-to-DB-25 Terminal Adapter Console Device Signal RJ-45 Pin RJ-45 Pin DB-25 Pin Signal RTS CTS DTR DSR TxD RxD GND GND GND GND RxD TxD DSR DTR CTS RTS Modem Adapter Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-25 male DCE adapter (labeled Modem ) to connect the console port to a modem. Table B-5 lists the pinouts for the asynchronous serial auxiliary port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 male DCE adapter. B-4

5 Appendix B Supervisor Engine 2 Console Port Signals and Pinouts Table B-5 Port Mode 1: Console Port Signaling and Pinouts (Modem Adapter) Console Port RJ-45-to-RJ-45 Rollover Cable RJ-45-to-DB-25 Modem Adapter Modem Signal RJ-45 Pin RJ-45 Pin DB-25 Pin Signal RTS RTS DTR DTR TxD TxD GND GND GND GND RxD RxD DSR DCD CTS CTS Console Port Mode 2 Signaling and Pinouts This section provides the signaling and pinouts for the console port in mode 2 (console port mode switch in the out position). See Table B-6 for the pinouts. Table B-6 Console Port Pinouts (Port Mode Switch Out) Console Port Console Device Pin (signal) Input/Output 1 (RTS) 1 Output 2 (DTR) Output 3 (RxD) Input 4 (GND) GND 5 (GND) GND 6 (TxD) Output 7 (DSR) Input 8 (CTS) 1 Input B-5

6 Supervisor Engine 2 Console Port Signals and Pinouts Appendix B B-6