Wan, lan, and voice connections – Cisco 3745 User Manual

Page 16

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WAN, LAN, and Voice Connections

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

•

Cisco 3700 Series Hardware Installation Guide

•

Cisco Network Modules Hardware Installation Guide

•

Cisco Interface Cards Installation Guide

•

Cisco Modular Access Router Cable Specifications

For information about accessing these documents, see the “Where to Go Next” section on page 24.

Table 3 summarizes some typical WAN, LAN, and voice connections for Cisco 3745 routers.

Table 3

WAN, LAN, and Voice Connections

Port or Connection

Port Type, Color

Connected to:

Cable

FastEthernet

RJ-45, yellow,

Ethernet hub or 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
equipment

Cisco serial transition cable that matches
the signaling protocol (EIA/TIA-232,
EIA/TIA-449, V.35, X.21, or
EIA/TIA-530) and the serial port operating
mode (DTE or DCE).

1

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

Cisco Smart serial

Cisco Smart compact
connector, blue

CSU/DSU and serial network or
equipment. For WIC-2T and
WIC-2A/S only

DSL

RJ-11C/CA11A,
lavender

Network demarcation device for
service provider’s DSL interface

RJ-11

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
(external NT1)

RJ-48C/CA81A, red

NT1 device or private integrated
network exchange (PINX)

RJ-48

BRI U WAN
(built-in NT1)

RJ-49C/CA-A11,
orange

ISDN network

RJ-49

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

56/64-kbps DSU/CSU 8-pin modular, blue

RJ-48S interface

RJ-48 straight-through

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