AT&T DEFINITY 7100 series Manual de usuario descargar pdf (Pagina 14)

TRUNK SPECIFICATIONS

TRUNK

CIRCUIT

SPECIFICATIONS

TYPE

PACK

Central

TN747B Capacity: 8 Circuits

Office

Transmission: 1-Way In, 1-Way Out, or

2-Way 2-Wire 600 Ohms or

RC Balance Network

Signaling: Ground Start or Loop Start

Auxiliary TN763C Capacity: 4 Circuits

Trunk Transmission: 1-Way In, 1-Way Out,

or 2-Way 2-Wire

Signaling: Loop Start on Tip and Ring;

Two Additional Pairs Provide Seizure and

Answer Supervision and/or Make Busy

Information

Direct

TN753

Capacity: 8 Circuits

Inward

Transmission: 1-Way Incoming Fixed

Dialing

Impedance to DID Trunk

Signaling: Wink or Immediate Start

Accepts Touch-Tone Dialing

Tie Trunk

TN760C Capacity: 4 Circuits

Transmission: 4-Wire Tip and Ring

Signaling: E&M. 760C supports Type 1 or

Type 5 E&M Signaling

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