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4.1 E & M (TIE) Line Service Outline
E & M Installation
135
4.1.2 Specifications
Item Description
E&M (TIE) Line Types Type 5 only
Transmission 2-wire or 4-wire voice path (Programmable)
(Note) Maximum cabling distance of the E&M line cord
(twisted cable): 22 AWG: Under 9.6 km
Transmission levels 2-wire voice path:
4-wire voice path:
-3 db (transmit/receive)
-3 db normal (transmit/receive)
Programmable (-6 db, -3 db, 0 db, +3 db)
Signalling DTMF or Pulse
E lead Battery: -48 VDC, 20 mA to ground (max.)
Sensitivity: 5 mA or 2000 to ground (max.) (min)
M lead Available current: 30 mA (max.)
Available voltage: 100 V (max.)