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Table 3
WAN, LAN, and Voice Connections
Port or Connection
Port Type, Color
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
System Management Connections
The connections described in Table 4 provide system management access.
The USB ports (version 1.1) are intended for future use only.
Note
Table 4
System Management Connections
Port
Console
Auxiliary
6
Power Up the Router
To ensure adequate cooling, never operate the router unless the cover and all modules and cover plates are installed.
Caution
Checklist for Power Up
You are ready to power up the Cisco 3800 series router after the following steps are completed:
• Chassis is securely mounted and grounded. (See the "Install Chassis" section on page 5.)
• Power and interface cables are connected. (See the "Connect Cables" section on page 15.)
• PC with HyperTerminal or similar terminal emulation program is connected to the console port, powered up, and
configured for 9600 baud, 8 data bits, 1 stop bit, no flow control, and no parity. (See the "Power Connections" section on
page 16.)
• Suitable PC COM port is selected in the terminal emulation program.
• You have selected passwords for access control.
• You have determined the IP addresses for the Ethernet and serial interfaces.
Note
For initial power-up, a direct console connection is recommended. After the initial configuration is completed, a remote
modem connection can be used for router management.
1
Connection
ISDN terminal equipment and
ISDN network
RJ-48S interface in subrate device
or network
RJ-48C interface
1000BASE-SX, -LX, -LH, -ZX,
-CWDM
Color
Connected To
Light blue PC or ASCII terminal communication port
(usually labeled COM)
Black
Modem for remote access
document for information about selecting these cables.
Cable
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
Cable
RJ-45-to-DB-9 console cable
RJ-45-to-DB-25 modem cable or
RJ-45-to-DB-9 console cable and DB-9
to DB-25 adapter
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