| Manufacturer | Adtran |
| Manufacturer Part # | 1200062L1 |
| Cost Central Item # | 10131518 |
| Product Description | ADTRAN DSU 56/64 - DSU/CSU - external - 64 Kbps |
| Device Type | DSU/CSU |
| Enclosure Type | External |
| Approximate Dimensions (WxDxH) | 6.5 in x 8.3 in x 1.6 in |
| Approximate Weight | 1.5 lbs |
| Max Transfer Rate | 64 Kbps |
| Power | AC 120 V ( 60 Hz ) |
| Manufacturer Warranty | 5 years warranty |
| Interfaces | 1 x serial - V.35 - 34 pin M/34 (V.35) 1 x network - RJ-48S |
| Compliant Standards | FCC Class A certified, UL, cUL, FCC Part 68, FCC Part 15, CS-03 |
| Power Device | Power supply - internal |
| Voltage Required | AC 120 V ( 60 Hz ) |
| Power Consumption Operational | 4 Watt |
| Service & Support | 5 years warranty |
| Service & Support Details | Limited warranty - 5 years |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 122 °F |
| Humidity Range Operating | 0 - 95% |