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Warning
Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the
network interface. Statement 1037
Warning
Class 1 laser product. Statement 1008
Table 3 summarizes some typical WAN, LAN, and voice connections for the Cisco 3800 series routers.
Table 3
WAN, LAN, and Voice Connections
Port or Connection
Port Type, Color
Ethernet
RJ-45, yellow
T1/E1 WAN
RJ-48C/CA81A
xCE1T1-PRI
RJ-48S, tan
T3/DS3/E3 WAN
BNC connector
OC3 / STM-1 WAN
SC connector
Cisco serial
60-pin D-sub, blue
Cisco Smart serial
Cisco Smart compact
connector, blue
ADSL
RJ-11C/CA11A,
lavender
SHDSL
RJ-11C/CA11A,
lavender, RJ-14
T1/E1 digital voice
RJ-48C/CA81A, tan
Analog voice FXS
RJ-11, gray
Analog voice FXO
RJ-11, pink
Analog voice E&M
RJ-45, brown
BRI S/T WAN
RJ-45/CB-1D, orange NT1 device or private integrated
(external NT1)
BRI U WAN
RJ-49C/CA-A11, red ISDN network
(built-in NT1)
BRI NT/TE
RJ-45, orange
(built-in NT1)
56/64-kbps
8-pin modular, blue
CSU/DSU
T1/FT1 CSU/DSU
8-pin modular, blue
Gigabit Ethernet SFP,
LC, color according
optical
to optical wavelength
1. The color codes are specific to cables shipped by Cisco.
2. See the
Cisco Modular Access Router Cable Specifications
1
Connection
Ethernet switch
T1 or E1 network
External T1 CSU or other
T1 equipment
T3 network, CSU/DSU, or other
T3/DS3 equipment
OC3/STM-1 network or device
CSU/DSU and serial network or
equipment
CSU/DSU and serial network or
equipment
Network demarcation device for
service provider's DSL interface
Network demarcation device for
service provider's DSL interface
Digital PBX, ISDN network,
CSU/DSU
Telephone, fax
Central office, analog PBX
Analog PBX
network exchange (PINX)
ISDN terminal equipment and
ISDN network
RJ-48S interface in subrate device
or network
RJ-48C interface
1000BASE-SX, -LX, -LH, -ZX,
-CWDM
document for information about selecting these cables.
Cable
Category 5 or higher Ethernet
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
75-ohm coaxial cable
Single-mode or multimode optical fiber
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
2
or DCE).
RJ-11 straight-through
RJ-11 straight-through for 2-wire
RJ-14 straight-through for 4-wire
RJ-48 T1/E1
RJ-11; RJ21 if using NM-HDA,
straight-through
RJ-45
RJ-45 straight-through
RJ-48 straight-through
RJ-45 straight-through in TE mode
BRI crossover in NT mode
RJ-48 straight-through
RJ-48 straight-through
Optical fiber as specified on applicable
data sheet
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