Cisco Systems OL-31454-01 manual Auxiliary Port Connection to a Modem

Chapter 3 Installing and Connecting the Router

Auxiliary Port, Console Port, and Adapter Pinouts for the Cisco CGR 2010 Router

Auxiliary Port Connection to a Modem

In order to connect a PC terminal to the router, use the RJ-45-to-RJ-45 rollover cable and either the RJ-45-to-DB-25 female DTE adapter or the RJ-45-to-DB-9 female DTE adapter (labeled TERMINAL).

This section lists the pinout descriptions for both DB-9 and DB-25 connections.

In order to connect a modem to the auxiliary port, use the RJ-45-to-RJ-45 rollover cable and the RJ-45-to-DB-25 male DCE adapter (labeled MODEM).

Auxiliary Port Signaling and Cabling Using a DB-25 Adapter

This section describes the auxiliary port signaling and cabling using a DB-25 adapter as shown in Figure 3-21and Figure 3-22.

Figure 3-21 RJ-45 to DB-25 Adapter (Terminal)

Router	RJ-45-to-RJ45	Modem
	roll-over cable

RJ-45-to-DB-25

adapter

(labeled Modem)

239794

Figure 3-22 RJ-45 to DB-25 Male Adapter

RJ-45-to-DB-25 male adapter

RJ-45 cable

8 1

CAB-5MODCM

MODEM

14

1

	13
	239783
25

Table 3-9provides the pinout description for the modem connection:

	Table 3-9	Pinout Descriptions for the Modem Connection
				RJ-45 to
				DB-25
	Auxiliary	RJ-45 to RJ-45		Modem
	Port (DTE)	Rollover Cable		Adapter	Modem
	Signal	RJ-45 Pin	RJ-45 Pin	DB-25 Pin	Signal
	RTS	11	8	5	CTS
	DTR	2	7	6	DSR
	TxD	3	6	3	RxD
	GND	4	5	7	GND
		Cisco 2010 Connected Grid Router Hardware Installation Guide
OL-31454-01						3-31