Adtran TSU Dual OCU-DP Plug-In Module. Output interface: RJ-45 8-pin, 4-wire DDS / Switched 56, Connector(s): 2 x RJ-45 8 pin. Weight: 0.68039 kg. Certification: FCC Part 15 Class A UL 1950, cULc. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -20 - 70 °C. Connectivity technology: Wired, Supported data transfer rates: 2.4, 4.8, 9.6, 19.2, 56, 64 Kbps, Compliance industry standards: AT&T Pub 41458 / 62310