Cisco 1841 - 3G Bundle Router Посібник із швидкого старту - Сторінка 14
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• Cisco Modular Access Router Cable Specifications at the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3600/hw_inst/cabling/marcabl.htm
WAN and LAN Connections
The connections and cables listed in Table 1 are described in detail in the Cisco 1800 series hardware installation documents at
the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/1800/hw/index.htm
Caution
Do not connect a WAN, telephone, or fax cable to an interface card until you have completed the installation
procedure.
Warning
Hazardous network voltages are present in WAN ports regardless of whether power to the router is OFF or ON. To
avoid electric shock, use caution when working near WAN ports. When detaching cables, detach the end away
from the router first. Statement 1026
Table 1 summarizes the basic WAN and LAN connections for the Cisco 1841 router.
Table 1
WAN and LAN Connections
Port or Connection
Fast Ethernet (FE)
T1/E1 WAN
Cisco serial (1T)
Cisco Smart serial (2T)
DSL
BRI S/T WAN
2
(external NT1
)
BRI U WAN
(built-in NT1)
Analog modem
56/64-kbps
CSU/DSU
1. The color codes are specific to cables shipped by Cisco
2. NT1 = Network Termination 1
3. PINX = Private integrated network exchange
14
1
Port Type, Color
Connected To:
RJ-45, yellow
Ethernet hub
RJ-48C
T1 or E1 network or CSU/DSU
60-pin D-sub, blue
CSU/DSU and serial network or
equipment
Cisco Smart compact
CSU/DSU and serial network or
connector, blue
equipment
For WIC-2T and WIC-2A/S only
RJ-11C/RJ-14C
Network demarcation device for
service provider's DSL interface
RJ-45, orange
NT1 device or PINX
RJ-49C/CA-A11,
ISDN network
orange
RJ-11
PSTN
8-pin modular
RJ-48S interface
Cable
Crossover to connect to a router
Straight-through to connect to a
switch
RJ-48 T1/E1 straight-through
(Crossover to connect ot a PBX or
any other 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
Router Cable Specifications
document for information about
selecting these cables.
RJ-11 straight-through for 2-wire
RJ-14 straight-through for 4-wire
3
RJ-45 straight-through
RJ-49 straight-through
RJ-11 straight-through
RJ-48 straight-through
Cisco Modular Access