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46 Cisco 1003 and Cisco 1004 User Guide
Pinouts
Console Port, Cable, and Adapter Pinouts
The console port is configured as data terminal equipment (DTE) and uses an RJ-45
connector. An RJ-45-to-DB-25 adapter is provided with the router for connection to
terminals or other external communications equipment, such as modems. The console port
is an asynchronous serial port.
1. kHz = kilohertz.
2. nF = nanoFarad.
1. Any pin not referenced is not connected.
BRI Cable Specifications
Specification
High-Capacitance
Cable
Low-Capacitance
Cable
Resistance (@ 96 kHz
1
)
160 ohms/km
160 ohms/km
Capacitance (@ 1 kHz)
120 nF
2
/km
30 nF/km
Impedance (@ 96 kHz)
75 ohms
150 ohms
Wire diameter
0.024" (0.6 mm)
0.024" (0.6 mm)
Distance limitation
32.8' (10 m)
32.8' (10 m)
Console Port Pinouts
Pin
1
Signal
Definition
1
–
–
2
DTR
Output
3
TxD
Output
4
GND
–
5
GND
–
6
RxD
Input
7
DSR
Input
8
–
–