
The 
To connect the subscriber lines, use cables with the RJ21 
The pin assignment of LINE/PHONE interface is illustrated below (the numbers in the connector figures below represent PIN numbers):
For port 1~24:| 25 | 1 | 
| 
 | 
 | 
| 50 | 26 | 
| PIN Number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ~ | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| Port | Tip | Tip | Tip | Tip | Tip | Tip | Tip | Tip | ~ | Tip | Tip | Tip | Tip | Tip | Tip | Tip | X | |
| Number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ~ | 18 | 19 | 20 | 21 | 22 | 23 | 24 | ||
| 
 | ||||||||||||||||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| PIN Number | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | ~ | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| Port | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | ~ | Ring | Ring | Ring | Ring | Ring | Ring | Ring | X | |
| Number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 
 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | ||
| 
 | 
 | |||||||||||||||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
Note:
The MDF Patch panel is optional of standard package.
Note:
Please 
- 24 -