Port Specifications (Contd)

TRUNK PORTS

TRUNK TYPE

CIRCUIT PACK

 

SPECIFICATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Auxiliary Trunk

TN763

Capacity:

4

Circuits

 

 

 

 

 

 

3-pair

interface:

 

 

 

 

Voice

(T,R),

 

 

 

 

Signaling (S, S1),

 

 

 

 

Status

(SZ,

SZ1)

 

 

 

 

 

 

 

 

Direct

Inward

TN753

Capacity:

8

Circuits

Dialing

(DID)

 

 

 

2-Wire

(600

Ohm Fixed

Trunk

 

 

 

 

 

 

Impedance)

Transmission

 

 

 

Signaling: Wink Start,

 

 

 

 

Delay

Dial,

or Immediate

 

 

 

 

Dial.

 

 

 

 

 

 

 

Accepts

Dial Pulse Signals

 

 

 

Incoming

Service Only

 

 

 

 

 

 

 

Tie Trunk

TN760B

Capacity:

4

Circuits

 

 

 

 

 

 

Supports Type I E&M,

 

 

 

 

Type I Compatible E&M or

 

 

 

 

Type V

Simplex Signaling

 

 

 

4-Wire

 

Transmission

 

 

 

3-Pair

Interface

 

 

 

 

Transmit

 

 

 

 

 

Receive

 

 

 

 

 

Signaling

(E&M)

 

 

 

 

 

 

 

 

5-14

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Image 411
AT&T AT&T manual Trunk Ports Trunk Type Circuit Pack Specifications, Did