F-17112-A2-GB20-20 March 1998Technical SpecificationsFModel 7112 DSU/CSU Technical Specifications (1 of 2)Item SpecificationsApprovals Refer to the product labelingClock Sources T1 network interface, Port, or internal clockEnvironmentOperating TemperatureStorage TemperatureRelative Humidity Shock andVibration32°F to 122°F (0°C to 50°C)–4°F to 158°F (–20°C to 70°C)5%—95% (noncondensing)Withstands normal shipping and handlingLoopbacksStandardAdditional AT&T TR 54016, AT&T TR 62411, ANSI T1.4031989LLB (Line Loopback), PLB (Payload Loopback),RLB (Repeater Loopback),DTLB (Data Terminal Loopback),DCLB (Data Channel Loopback)V.54 Loop 2 and Loop 3,ANSI T1.403 Annex B Fractional T1 Loopback
