Installation guide
Additional Required Equipment
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Cisco 1750 Router Hardware Installation Guide
78-6169-02
Cisco VIC To make a voice connection, the router must have a supported VIC 
installed. The router supports up to three cards. You can either order 
the cards when ordering the router, and they will be installed for 
you, or you can order the cards separately, after receiving the router, 
and install them yourself.
Straight-through 
RJ-45-to-RJ-45 cable
This cable connects the router to the Ethernet LAN and the WICs to 
various WAN services, including ISDN, T1/FT1, and 56-kbps 
services. You will need one cable for each of these connections. 
Standard RJ-11 telephone 
cable
This cable connects the VIC to a telephone, fax machine, or a 
telephone wall-jack. You will need one cable for each of these 
connections. 
Standard RJ-48 telephone 
cable
This cable connects the VIC to a PBX trunk line. You will need one 
cable for each of these connections.
Serial cable This cable connects a serial card to serial services. You must order 
this cable from Cisco. For detailed information about serial cable 
types, refer to the Cisco WAN Interface Cards Hardware 
Installation Guide that comes with every card.
NT1 Some ISDN service providers require a Network Termination 1 
device to connect an ISDN S/T port to the ISDN line.
Asynchronous modem To configure the router from a remote location, connect a modem to 
the AUX port on the router.
Table 6 Additional Required Equipment (continued)
Equipment When You Use It










