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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
Ethernet
RJ-45, yellow
T1/E1 WAN
RJ-48C/CA81A, blue
Cisco serial
60-pin D-sub
Cisco Smart serial
Cisco Smart compact
connector, blue
DSL
RJ-11C/CA11A,
lavender
T1 digital voice
RJ-48C/CA81A, tan
Analog voice FXS
RJ-11, gray
Analog voice FXO
RJ-11, pink
Analog voice E&M
RJ-11, brown
BRI S/T WAN
RJ-48C/CA81A, orange NT1 device or private integrated
(external NT1)
BRI U WAN
RJ-49C/CA-A11, red
(built-in NT1)
CT1/PRI
T1
CT1/PRI-CSU
T1
CE1/PRI
E1
Token Ring
UTP, purple
STP, purple
56/64-kbps DSU/CSU 8-pin modular, blue
1. See the Cisco Modular Access Router Cable Specifications document for information about selecting these cables.
16
Connected To:
Ethernet hub or Ethernet switch
T1 or E1 network
CSU/DSU and serial network or
equipment
CSU/DSU and serial network or
equipment (For WIC-2T and
WIC-2A/S only)
Network demarcation device for
service provider's DSL interface
Digital PBX
Telephone, fax
Central office, analog PBX
Analog PBX
network exchange (PINX)
ISDN network
External T1 CSU
RJ-48C/CA81A interface
E1 network
Token Ring device
RJ-48S interface
Cable
Straight-through Ethernet
RJ-48 T1
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
1
or DCE).
RJ-11
RJ-48 T1 cable
RJ-11
RJ-11
RJ-11
RJ-48
RJ-49
DB-15 T1 serial cable
RJ-48 straight-through
DB-15 to BNC, DB-15 to DB-15,
DB-15 to twinax, or DB-15 to RJ-45
RJ-45 Token Ring cable
RJ-48 straight-through