ShoreTel ST2D Voice Switch ( Refurbished )

ShoreTel ST2D Voice Switch ( Refurbished ) Recommended for: Digital Trunking The Mitel Connect Switch ST2D supports two ISDN Primary rate interfaces which can also be reassigned to support  up to 60 SIP trunks. Features 2 T1/E1 trunks with 48/60 ports Integrated CSU Line and Payload Loopbacks 60 SIP Trunks Facilities Data Linking 2 RJ-45 (10M/100M/1000M Ethernet) 1 RJ-21X Analog Audio and MOH input and paging output (3.5mm mini stereo) 2 T1/E1 (RJ-48C) 1 DB-9 SIP Trunking and Extension Support USB 2.0 A-Type Specifications DIMENSIONS 14.65 x 8.35 x 1.65 inches (372 x 212 x 42 mm) WEIGHT 5.3 lb (2.4 kg) INPUT VOLTAGE 100-240 VAC, 50-60 Hz POWER CONSUMPTION 50 W (max) ENVIRONMENTAL 5-90% relative humidity OPERATING TEMPERATURE 0-50° C