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Preparing to Connect to a Network

4-Wire 56/64-kbps DSU/CSU WAN Module

The 4-wire 56/64-kbps DSU/CSU WAN module includes an RJ-48S port for connection to

a WAN. Cables are not included with the module; however, port pinouts are listed in the

section "4-Wire 56/64-kbps DSU/CSU Module Port Pinouts" in the appendix "Cabling

Specifications for the Cisco 2524 and Cisco 2525 Routers.

Warning

switched 56 cables. If you detach the cable, detach the end away from the router first to

avoid possible electric shock. Network hazardous voltages are also present in the area of

the BRI (RJ-45), fractional T1/T1 (RJ-48C), and switched 56 (RJ-11 or RJ-48S) ports,

regardless of whether power is OFF or ON. (To see translated versions of this warning, refer

to the appendix "Translated Safety Warnings.")

Warning

field by the user in the manufacturer's defined operator access area. Check the equipment

manufacturer to verify/confirm that your equipment is suitable for user-installed

application cards. (To see translated versions of this warning, refer to the appendix

"Translated Safety Warnings.")

Table 2-2 lists network specifications to consider before connecting the module to a

network.

2-10 Cisco 2524 and Cisco 2525 Router User Guide

Network hazardous voltages are present in the BRI, fractional T1/T1, and

This card is intended to be installed in UL- and CSA-certified equipment in the