Cisco 1603R User Manual page 30

Connecting the Router to the WAN
Connecting the Cisco 1603 to the WAN
You must provide a Network Termination 1 (NT1) device and a straight-through
RJ-45-to-RJ-45 cable for this connection.
Warning
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.
Depending on where the Cisco 1603 is being used, the ISDN BRI connection can be
different. Follow these steps to connect the Cisco 1603 to the WAN:
Step 1
Step 2
2-12 Cisco 1600 Series Router Hardware Installation Guide
Network hazardous voltages are present in the BRI cable. If you detach
Use an RJ-45-to-RJ-45 cable to connect the cable to the ISDN Ø S/T port on the
router.
Do one of these steps:
•
In North America—Connect the other end of the cable to the NT1
(Figure 2-7), and then connect the NT1 to the ISDN wall jack (Figure 2-8).
•
Outside North America—Connect the other end of the cable directly to the
ISDN wall jack (Figure 2-8).