Cisco 1600R Guia de Instalação descarregar pdf (Página 32)

Connecting the Router to the WAN

Cisco 1600 Series Router Hardware Installation Guide

2-14

Figure 2-8 ISDN Wall Jack Connection—Cisco 1603

Warning Network hazardous voltages are present in the BRI cable. If you detach

the BRI cable, detach the end away from the router ﬁrst to avoid possible electric

shock. Network hazardous voltages also are present on the system card in the area

of the BRI port (RJ-45 connector), regardless of when power is turned off.

Step 3 Check the following LEDs:

• The OK LED on the rear panel (next to ISDN S/T port) lights when the router

has synchronized with the central ofﬁce switch.

• The external NT1 might have an LED indicating synchronization with the

central ofﬁce switch or other NT1 status. Check the NT1 documentation.

H3587

Wall jack

Straight-through

BRI cable

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Cisco 1600R Guia de Instalação Página 32