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Cable Connection Procedures for Cisco 2800 Series Routers
OL-5787-02
Connecting WAN, LAN, and Voice Cables
•
Installing Cisco Interface Cards in Cisco Access Router
Ta b l e 3 WAN, LAN, and Voice Connections
Port or Connection Port Type, Color
1
Connection: Cable
Ethernet RJ-45, yellow Ethernet hub or Ethernet switch Category 5 or higher Ethernet
T1/E1 WAN
xCE1T1-PRI
RJ-48C/CA81A
RJ-48S, tan
T1 or E1 network
External T1 CSU or other
T1
equipment
RJ-48 T1/E1
RJ-48S to RJ-48S TE
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
T3/DS3 equipment
75-ohm coaxial cable
Cisco serial 60-pin D-sub, blue 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-530)
and the serial port operating mode
(DTE or DCE).
2
Cisco Smart serial Cisco Smart compact
connector, blue
CSU/DSU and serial network or
equipment
ADSL RJ-11C/CA11A,
lavender
Network demarcation device for
service provider DSL interface
RJ-11 straight-through
SHDSL RJ-11C/CA11A,
lavender, RJ-14
Network demarcation device for
service provider DSL interface
RJ-11 straight-through for 2-wire
RJ-14 straight-through for 4-wire
T1/E1 digital voice RJ-48C/CA81A, tan Digital PBX, ISDN network,
CSU/DSU
RJ-48 T1/E1
Analog voice FXS RJ-11, gray Telephone, fax RJ-11; RJ21 if using NM-HDA,
straight-through
Analog voice FXO RJ-11, pink Central office, analog PBX
Analog voice E&M RJ-45, brown Analog PBX RJ-45
BRI S/T WAN
(external NT1)
RJ-45/CB-1D, orange NT1 device or private integrated
network exchange (PINX)
RJ-45 straight-through
BRI U WAN
(built-in NT1)
RJ-49C/CA-A11, red ISDN network RJ-48 straight-through
56/64-kbps
DSU/CSU
8-pin modular, blue RJ-48S interface in subrate device
or network
RJ-48 straight-through
T1/FT1 DSU/CSU 8-pin modular, blue RJ-48C interface RJ-48 straight-through
Gigabit Ethernet SFP,
optical
LC, color according
to optical wavelength
1000BASE-SX, -LX, -LH, -ZX,
-CWDM
Optical fiber as specified on applicable
data sheet
Gigabit Ethernet SFP,
copper
RJ-45 1000BASE-T Category 5, 5e, 6 UTP
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.