Cisco 2520-RF - 2520 Router Specifikace stáhnout pdf (Strana 99)

Cable Specifications C-5

Console and Auxiliary Port Signals and Pinouts

Auxiliary Port Signals and Pinouts

Use the thin, ﬂat, RJ-45-to-RJ-45 roll-over cable and RJ-45-to-DB-25 male DCE adapter

(labeled “MODEM”) to connect the auxiliary port to a modem. Figure C-4 shows how to

connect the auxiliary port to a modem. Table C-3 lists the pinouts for the asynchronous

serial auxiliary port, the RJ-45-to-RJ-45 roll-over cable, and the RJ-45-to-DB-25 male

DCE adapter (labeled “MODEM”).

Figure C-4 Connecting the Auxiliary Port to a Modem

1. Pin 1 is connected internally to Pin 8.

Table C-3 Auxiliary Port Signaling and Cabling Using a DB-25 Adapter

Auxiliary

Port (DTE)

RJ-45-to-RJ-45

Roll-Over Cable

RJ-45-to-DB-25

Modem Adapter Modem

Signal RJ-45 Pin RJ-45 Pin DB-25 Pin Signal

RTS 1

84 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

Router

H6094

1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 115 116

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Cisco 2520-RF - 2520 Router Specifikace Strana 99