Chapter 3 Installing and Connecting the Router

Connecting WAN, LAN, and Voice Interfaces

Ports and Cabling

Table 3-2summarizes typical WAN, LAN, and voice connections for Cisco ISR 4451-Xs. The connections summarized here are also described in detail in the document on Cisco.com: Cisco Modular Access Router Cable Specifications

Table 3-2

WAN, LAN, and Voice Connections

 

 

 

 

 

Port or Connection

Port Type, Color1

Connection:

Cable

Ethernet

 

RJ-45, yellow

Ethernet hub or Ethernet switch

Category 5 or higher Ethernet

 

 

 

 

 

T1/E1 WAN

 

RJ-48C/CA81A

T1 or E1 network

RJ-48 T1/E1

xCE1T1-PRI

 

RJ-48S, tan

External T1 CSU or other

RJ-48S to RJ-48S TE

 

 

 

T1 equipment

RJ-48S to RJ-48S NT

 

 

 

 

RJ-48S to RJ-48S T1

 

 

 

 

RJ-48S to bare

 

 

 

 

RJ-48S to BNC

 

 

 

 

RJ-48S to twinaxial cable

 

 

 

 

RJ-48S to DB-15

 

 

 

 

RJ-48S to DB-15 null

 

 

 

 

T3/DS3/E3 WAN

BNC connector

T3 network, CSU/DSU, or other

75-ohm coaxial cable

 

 

 

T3/DS3 equipment

 

 

 

 

 

 

Cisco serial

 

60-pin D-sub, blue

CSU/DSU and serial network or

Cisco serial transition cable that

 

 

 

equipment

matches the signaling protocol

 

 

 

 

(EIA/TIA-232, EIA/TIA-449, V.35,

Cisco Smart serial

Cisco Smart compact

CSU/DSU and serial network or

X.21, or EIA-530)

 

 

connector, blue

equipment

 

 

and the serial port operating mode

 

 

 

 

 

 

 

 

(DTE or DCE).2

T1/E1 digital voice

RJ-48C/CA81A, tan

Digital PBX, ISDN network,

RJ-48 T1/E1

 

 

 

CSU/DSU

 

 

 

 

 

Gigabit Ethernet SFP,

LC, color according

1000BASE-SX, -LX, -LH, -ZX,

Optical fiber as specified on applicable

optical

 

to optical wavelength

-CWDM

data sheet

 

 

 

 

Gigabit Ethernet SFP,

RJ-45

1000BASE-T

Category 5, 5e, 6 UTP

copper

 

 

 

 

 

 

 

 

 

1.Cable color codes are specific to Cisco cables.

2.See the Cisco Modular Access Router Cable Specifications document for information about choosing these cables.

Connection Procedures and Precautions

Connect each WAN, LAN, and voice cable to the appropriate connector on the chassis or on a network module or interface card.

 

 

Cisco 4400 Series Hardware Installation Guide

 

 

 

 

 

 

OL-27644-01

 

 

3-22

 

 

 

 

 

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Cisco Systems ISR4451XK9 manual Ports and Cabling, Connection Procedures and Precautions, Data sheet