Cisco 2525 Przygotowanie do instalacji - Strona 9

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2-Wire Switched 56-kbps DSU/CSU WAN Module

The 2-wire switched 56-kbps DSU/CSU WAN module includes an RJ-11 port for

connection to a WAN. Cables are not included with the modules; however, port pinouts are

listed in the section "Fractional T1/T1 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.

Table 2-1

Description

Loop rates

Data rates

Line requirements

Receiver sensitivity

1. kHz = kilohertz.

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

2-Wire Switched 56-kbps DSU/CSU WAN Module Network

Specifications

Specification

56 kbps

Northern Telecom Datapath

Technology, Bellcore TR-EOP-000277

–42 dB at 80 kHz

Preparing to Install the Cisco 2524 and Cisco 2525 Routers 2-9

Preparing to Connect to a Network