Cisco Systems 2691 quick start WAN, LAN, and Voice Connections

WAN, LAN, and Voice Connections

The connections and cables listed here are described in detail in the following documents:

•Cisco 2600 Series Hardware Installation Guide

•Cisco Network Modules Hardware Installation Guide

•Cisco Interface Cards Installation Guide

•Cisco Modular Access Router Cable Specifications

To locate these documents, see the “Where to Go Next” section on page 23.

Table 3 summarizes some typical WAN, LAN, and voice connections for the Cisco 2691 routers.

Table 3	WAN, LAN, and Voice Connections
Port or Connection		Port Type, Color	Connected To:	Cable
Ethernet		RJ-45, yellow	Ethernet hub or Ethernet switch	Straight-through Ethernet
T1/E1 WAN		RJ-48C/CA81A, blue	T1 or E1 network	RJ-48 T1
Cisco serial		60-pin D-sub	CSU/DSU and serial network or	Cisco serial transition cable that matches
			equipment	the signaling protocol (EIA/TIA-232,
				EIA/TIA-449, V.35, X.21, or EIA-530)
Cisco Smart serial		Cisco Smart compact	CSU/DSU and serial network or
				and the serial port operating mode (DTE
		connector, blue	equipment (For WIC-2T and
				or DCE).1
			WIC-2A/S only)
DSL		RJ-11C/CA11A,	Network demarcation device for	RJ-11
		lavender	service provider’s DSL interface
T1 digital voice		RJ-48C/CA81A, tan	Digital PBX	RJ-48 T1 cable
Analog voice FXS		RJ-11, gray	Telephone, fax	RJ-11
Analog voice FXO		RJ-11, pink	Central office, analog PBX	RJ-11
Analog voice E&M		RJ-11, brown	Analog PBX	RJ-11
BRI S/T WAN		RJ-48C/CA81A, orange	NT1 device or private integrated	RJ-48
(external NT1)			network exchange (PINX)
BRI U WAN		RJ-49C/CA-A11, red	ISDN network	RJ-49
(built-in NT1)
CT1/PRI		T1	External T1 CSU	DB-15 T1 serial cable
CT1/PRI-CSU		T1	RJ-48C/CA81A interface	RJ-48 straight-through
CE1/PRI		E1	E1 network	DB-15 to BNC, DB-15 to DB-15,
				DB-15 to twinax, or DB-15 to RJ-45
Token Ring		UTP, purple	Token Ring device	RJ-45 Token Ring cable
		STP, purple
56/64-kbps DSU/CSU		8-pin modular, blue	RJ-48S interface	RJ-48 straight-through

1. See the Cisco Modular Access Router Cable Specifications document for information about selecting these cables.

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