Cisco 1003 User Manual page 22

Installing Your Cisco 1003 or Cisco 1004 Router
Warning
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. (To see a translated version of this
warning, refer to the section "Translated Safety Warnings" at the end of this publication.)
Step 5
22 Cisco 1003 and Cisco 1004 User Guide
Network hazardous voltages are present in the BRI cable. If you detach the BRI
If you have a Cisco 1004 router, connect the other end of the straight-through BRI
cable to your wall jack.
Wall jack
Straight-through
BRI cable