Installation guide
iii
Cisco 1750 Router Hardware Installation Guide
78-6169-02
Console Cable and Adapters
Console Cable and Adapters
A console cable kit is provided with your router. Use this kit when connecting 
your router to a PC or terminal. 
The console cable kit contains:
• RJ-45-to-RJ-45 console cable (light blue)
• DB-9-to-RJ-45 console adapter 
Table 2 describes the wiring for the console port, the console cable, and the 
included adapters. This table also includes pinouts for a DB-9-to-RJ-45 console 
adapter.
Maximum hop 
count
1
4 • With Class I 
repeaters: none
• With Class II 
repeaters: 1
Maximum number 
of nodes per 
segment
1024 1024
Cable type 
required
UTP
Category 3, 4, 
or 5
UTP Category 5 or STP
1. Hop count = Routing metric used to measure the distance between a source 
and a destination.
Table 2 Ethernet Cabling Guidelines (continued)
Specification 10BaseT 100BaseTX
Table 3 Console Cable and Adapter Pinouts
Console
(DTE)
Console 
Port
Console 
Cable Adapter Adapter
Terminal
(DTE)
Signal RJ-45 Pin RJ-45 Pin DB-9 Pin DB-25 Pin Signal
RTS1 8 85CTS
DTR2 7 66DSR










