| Manufacturer | Adtran |
| Manufacturer Part # | 1180020L2 |
| Cost Central Item # | 10603514 |
| Product Description | ADTRAN U-BR1TE L2 - Expansion module - ISDN - T-1 |
| Device Type | Expansion module |
| Form Factor | Plug-in module |
| Approximate Dimensions (WxDxH) | 0.6 in x 10.1 in x 3.1 in |
| Approximate Weight | 1.1 lbs |
| Cabling Type | ISDN |
| Line Rate | T-1 |
| Connectivity Technology | Wired |
| Cabling Type | ISDN |
| Line Rate | T-1 |
| Status Indicators | Status |
| Features | Repeating mode, manageable, full duplex mode |
| Interfaces | 1 x network - ISDN BRI U x 2 |
| Compatible Slots | 1 x expansion slot |
| Min Operating Temperature | -40 °F |
| Max Operating Temperature | 149 °F |
| Humidity Range Operating | 0 - 95% |