Cisco 1603R User Manual page 44

Connecting an ISDN Telephone to the Cisco 1604
Note
supply, connect the ISDN telephone RJ-45-to-RJ-45 cable directly to the router
ISDN PHONE port.
Follow these steps to connect an ISDN telephone to the router:
Step 1
Step 2
Figure 3-4
Wall jack
Step 3
3-8 Cisco 1600 Series Router Hardware Installation Guide
If the ISDN telephone model you are using does not require an external power
Connect an RJ-45-to-RJ-45 cable (included) to the ISDN PHONE on the router.
Connect the other end of the cable to the LINE port on the ISDN telephone
power supply, as shown in Figure 3-4.
Connecting an ISDN Telephone Power Supply to a Cisco 1604
LN K
ISDN U
port
RJ-45-to-RJ-45 cables
Connect the ISDN telephone RJ-45 cable to the PHONE port on the ISDN
telephone power supply, as shown in Figure 3-5.
LN K
O K
W IC
O K
O K
ISDN
OK LED
PHONE
port
PH ON E
OT HE R
LIN E
Power supply for
ISDN telephone