Cisco 1603R User Manual page 33

Connecting the Cisco 1604 to the WAN
You must provide a straight-through cable, either RJ-11-to-RJ-11 or RJ-45-to-RJ-45, for
this connection. Follow these steps to connect the Cisco 1604 to the WAN:
Step 1
Step 2
Figure 2-9
Step 3
Connect one end of the cable to the ISDN Ø U port on the router.
Connect the other end of the cable directly to the ISDN BRI wall jack
(Figure 2-9).
ISDN BRI Connection—Cisco 1604
LN K
LN K
LN K
LN K
NT1 LED
ISDN U port
The NT1 LED on the rear panel lights when the router has synchronized with
the central office switch.
Connecting the Cisco 1604 to the WAN
W IC
O K
O K
Router
ISDN BRI
wall jack
Installing the Router 2-15