Adtran TSU Dual OCU-DP Plug-In Module interface cards/adapter

2 x OCU-DP 8-pin RJ-45, 64 Kbps, 4-WIre DDS/Switched 56, 135 Ohms Features:

- Provides two Office Channel Unit (OCU) Data Ports (DP) for extending 4-wire DDS circuits to a remote DSU/CSU
- 8-pin modular RJ-45 interface for rates up to 64 Kbps
- Provides four ports per expansion slot when used in conjunction with the TSU Dual OCU DP (Plug-On) module
- Operates at -45 dB signal levels (18,000 ft at 56 Kbps)