Used Adtran TSU LT TSU 2nd Gen

We have powered up this unit and it looks to be working good. However due to a lack of a T1 line, we have not tested further. 

• Ports: Single-port T1/FT1 DSU/CSU
• Speeds: Synchronous DTE rates in increments of 5 Kbps or 64 Kbps up to 1.536 Mbps. Line Rate: T1/FT1 (1.544 Mbps)
• Supports VT100 terminal configuration and remote configuration using control port
• User-programmable with front panel LCD and keypad
• Single V.35 DTE interface for applications such as LAN-to-LAN bridging, Frame Relay circuit termination, and dedicated videoconferencing
• Bantam test jacks
• Support for T-Watch PRO software for optional PC based configuration
• Serial Number: N 923D4136
• Model Number: TSU 2nd Gen
• Part Number: 1202.060L1