Adtran TSU 120 External DSU/CSU Stock# 1202129L2-F FACTORY REFURBISHED Telephone The durable NEC Power Failure

The durable  NEC Power Failure Transfer Adapter for IP SETS (BK) 910088 transfers an IP terminal to a pre-connected outside trunk when:

Shaft Diameter: 3/16"

It is rated to 1000V AC and exceed both ASTM and IEC standards

Non-Supervised

under sub-floors or crawl spaces

Adtran TSU 120 External DSU/CSU Stock# 1202129L2-F FACTORY REFURBISHED Telephone The durable NEC Power FailureProduct features The TSU 120 are modular, full featured T1 FT1 multiplexers designed to support a wide range of end user applications. Equipped with both a synchronous V. 35 DTE interface and a DSX 1 PBX port, the TSU 120 supports applications combining digital voice and high speed data. As interface requirements increase, the flexibility of the TSU 120 benefits the user with modularity through its expansion slot. The TSU 120 provides complete