Specifications

Specifications
Capacity: 24 Iines/trunks for voice and analog data or 23
lines/trunks for voice and data with 1 channel used for
signaling
Mode: multiplexes 24 or 23 Iines/trunks into 1 facility and
demultiplexes 1 facility into 23 or 24 lines/trunks
Speed: Up to 64 kbps
Signaling: DS1 over 4-wire; T1 uses robbed-bit or common-
channel; PRI has ISDN-PRI (23 B + D)
Capacity: 4 lines/trunks, 4TlTRs, 1 PFT telephone
Signaling: Loop-start
Capacity: 4 tie lines
Method of completion: automatic start, immediate-start,
wink-start, or delay-dial-start
Signaling: E&M type 1S, type 1C, type 5
Capacity: 4 lines/trunks, 4 TTRs, 1 PFT telephone
Signaling: Loop-start or ground-start, optioned per port
Capacity: 4 Iines/trunks, 8 stations, 1 PFT telephone
Station signaling: analog multiline telephone (40 kbps)
Line/trunk signaling: Loop-start line/trunk; analog voice
Loop range: 1000 feet, in-building and in-range out-of
building (with analog IROB protectors) service only
Capacity: 4 Iines/trunks, 8 stations, 1 PFT telephone
Station signaling: analog multiline telephone (40 kbps)
Line/trunk signaling: loop-start or ground-start Iine/trunk
(optional per port); voice
Loop range: 1000 feet, in-building and in-range out-of-
building (with analog IROB protectors) service only
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