| GENERAL CHARACTERISTICS ITEM DESCRIPTION | 300 LOCAL LINES/TRUNKS,4-WIRE,ALL 300 LINES CAN BE EITHER TONESIGNALLING WITH TONE SUPERVISION OR TONE SIGNALLING WITH DC SUPERVISION,48 PATCHABLE SPECIAL LINES/TRUNKS MAX. IN ANY MIX OF THE FOLLOWING,SF DIAL PULSE/AUTOVON 4-WIRE,DC CLOSURE 2-WIRE,1600 HZ RINGDOWN 4-WIRE,20 HZ RINGDOWN 2-WIRE,COMMON BATTERY 2-WIRE,TYPE OF SWITCHING,SOLIDSTATE ELECTRONIC,SWITCHING CONTROLLED AUTOMATICALLY BY CENTRALPROCESSORS,COMPONENT LISTING SEE JETDS NOMENCLATURE TYPE AN/TTC-38/V/1 |