| GENERAL CHARACTERISTICS ITEM DESCRIPTION | OPERATING REQUIREMENTS 115 VAC,47/63 HZ,SINGLE PHASE,1000 WATTS; DIMENSIONS 12.250 IN HIGH BY 19.000 IN WIDE BY 30.000 IN DEEP; RACK MOUNTED; GENERAL GROUND USE; UP TO 25 SERIAL PORTS FOR SUBSCRIBER AND NETWORK INTERFACING,DDNX.25 NETWORK PROTOCOL@ UP TO 1.5 MBITS/SEC,NETWORK MANAGEMENT FACILITY,AUTOMATIC NETWORK ROUTING,ON-LINE LOOP DIAGNOSTICS,PACKETIZED VOICE TRANSMISSION CAPABILITY |