2-port ISDN BRI S/T module. Includes 2 RJ45-RJ45 straight-through cables (3 m). ConnectivityConnector: RJ-45, 1 RJ-45 for optional backup moduleInterface: 2 ISDN BRI S/T interfaces, each supporting 2 B channels (128 kbps) Physical characteristicsDimensions: 4.44(d) x 3.20(w) x 1.29(h) in. (11.27 x 8.13 x 3.28 cm)Weight: 0.21 lb. (0.1 kg) EnvironmentOperating temperature: 32ºF to 122ºF (0ºC to 50ºC)Operating relative humidity: 0% to 95%, non-condensing Non-operating/Storage temperature: -40ºF to 185ºF (-40ºC to 85ºC) Non-operating/Storage relative humidity: 0% to 95%, non-condensing |