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Cisco AS5350 Universal Gateway Chassis Installation Guide
78-10754-03 0A
Appendix
Console and Auxiliary Port C ables and Pinouts
Auxiliary Port Cables and Pinouts
Use the RJ-45-to-RJ-45 rollover cab le and RJ-45-to-DB-25 male D C E ad ap te r (l ab el ed M ODE M) to
connect the auxiliary port to a modem. FigureC-4 shows how to connect the auxiliary port to a modem.
TableC-3 lists the pinouts for the asynchronous serial auxiliary por t, the RJ-45 -t o-RJ -45 rollo v er cable,
and the RJ-45-to-DB-25 male D CE adapter (labeled MODEM).
FigureC-4 Connecting the Auxiliary Port to a Modem
TableC-3 Auxiliary Port Signaling and Cabling Using a DB-25 Adapter
AUX Port
(DTE) 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 1 8 4 RTS
DTR 2 7 20 DTR
TxD 3 6 3 TxD
GND 4 5 7 GND
GND 5 4 7 GND
RxD 6 3 2 RxD
DSR 7 2 8 DCD
CTS 8 1 5 CTS
RJ-45-to-RJ-45
rollover cable
RJ-45-to-DB-25 adapter
(labeled MODEM)
Modem
37211
Universal gateway