4-15
Cisco 1900 Series Hardware Installation
OL-19084-02
Chapter 4 Installing and Connecting the Router
Connecting WAN and LAN Cables
Ports and Cabling
Table 4-1
summarizes some typical WAN and LAN connections for Cisco 1900 series routers.
The connections summarized in
Table 4-1
are also described in detail in the following documents:
•
Cisco Modular Access Router Cable Specifications
Table 4-1
WAN and LAN Connections
Port or Connection
Port Type, Color
1
1.
The color codes are specific to cables shipped by Cisco
Connected to:
Cable
Gigabit Ethernet
(GE)
RJ-45, yellow
Ethernet switch or hub.
Crossover to connect to a
router
Straight-through to connect
to a switch
T1/E1 WAN
RJ-48C
T1 or E1 network or
CSU/DSU.
RJ-48 T1/E1
straight-through (Crossover
to connect to a PBX or any
other equipment)
Cisco serial (1T)
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/TIA-530) and the
serial port operating mode
(DTE or DCE).
Refer to the
Cisco Modular
Access Router Cable
Specifications
document for
information about selecting
these cables.
Cisco Smart serial
(2T)
Cisco Smart
compact
connector, blue
CSU/DSU and serial
network or equipment.
For WIC-2T and WIC-2A/S
only.
DSL
RJ-11C/RJ-14C
Network demarcation
device for service provider’s
DSL interface.
RJ-11 straight-through for
2-wire
RJ-14 straight-through for
4-wire
BRI S/T WAN
(external NT1
2
)
2.
NT1 = Network Termination 1
RJ-45, orange
NT1 device or PINX
3
3.
PINX = Private integrated network exchange
RJ-45 straight-through
BRI U WAN
(built-in NT1)
RJ-49C/CA-A11,
orange
ISDN network
RJ-49 straight-through
Analog modem
RJ-11
PSTN
RJ-11 straight-through
56/64-kbps
CSU/DSU
8-pin modular
RJ-48S interface.
RJ-48 straight-through.