
2Connect the ISDN Line
Check the rear panel of your router to find out which model you have.
If you have a Cisco 762 or 766, go to option 1 below.
If you have a Cisco 761 or 765, go to option 2 below.
Option 1 Connect the ISDN Line to a Cisco 762 or Cisco 766 Router
1
2
Connect the red ISDN U cable to the red port
labeled ISDN U on the rear panel of your router.
Connect the other end of the ISDN U cable directly to an 
| CONFIG | 10BASET | 
| NODE | HUB | 
CISCO 776
| ISDN S/T | |
| S | 0 | 
| 
 | |
1
ISDN U
+5V 
| 2. | 
 | 2 | 
 | 
| 
 | 
 | 
 | |
| 
 | 
 | 
 | |
| 
 | ISDN U | wall jack | 
 | 
| 
 | 
 | 
 | |
| 
 | cable | 
 | 
 | 
| 
 | 
 | 
 | |
| 
 | wall jack | 
 | 
 | 
| Option 2 Connect the ISDN Line to a Cisco 761 or Cisco 765 Router | 5 | ||
| 
 | |||
| Outside North America | 
 | 
 | 
 | 
1 Connect the orange ISDN S/T cable to the orange
port labeled ISDN S/T on the rear panel of your router.
2 Connect the other end of the ISDN S/T cable to the ISDN wall socket.
| CONFIG | 10BASET | 
ISDN S/T cable
NODE
HUB
CISCO 776
ISDN S/T
| +5V  | 1.5A  | |
| - | ||
| 
 | 0.2A  | |
| S0 | 
 | 
 | 
1
| 2 | ISDN | 
| 
 | wall socket | 
North America Only
| 1 Connect the orange ISDN S/T cable to the orange | 
| 
 | port labeled ISDN S/T on the rear panel of your | ||
| 
 | router. | ||
| 2 | 
 | 
 | 
 | 
| Connect the other end of the | orange | ISDN S/T | |
| 
 | cable to the NT1 terminal connector. | ||
| 3 | Connect the NT1 terminal connector to the | ||
| 
 | ISDN wall jack using the ISDN S/T cable that | ||
| 
 | came with your NT1 terminal connector. | ||
CONFIG
10BASET
NODE
| 
 | CISCO 776 | 
 | 
 | 
| HUB | ISDN S/T | ISDN U | |
| 
 | 
 | 
 | |
| 
 | S | 0 | |
| 
 | 
 | 
 | |
1
ISDN S/T cable
2
ISDN S/T cable (not included)
+5V 
NT1 terminal connec
(not included)
3
