Auxiliary Connector Outputs

Table 9-7. Port Board and Telephone Pin Designations

 

 

 

 

 

8510T Basic

 

 

 

Z3A1 & Z3A2

 

 

4-wire;

2-wire;

 

Rate Interface

 

 

 

Asynchronous

 

 

302B, 8403,

302B, 8403,

(BRI) (with

 

 

 

Data Units

Pin on

 

8410, 8434,

8410, 8434,

adjunct

 

Analog

 

(ADU), Processor

Modular

 

603E, 9403,

603E, 9403,

speaker

 

Station,

 

Data Module

plug

 

9434

9410, 9434

phone)

 

Modem

NT1

(PDM)

1

 

TXT

 

 

 

 

 

 

 

TXT

 

 

 

 

 

 

 

 

 

 

 

2

 

TXR

 

 

 

 

T

 

TXR

 

 

 

 

 

 

 

 

 

 

 

3

 

PXT

 

 

TXT

 

R

 

PXT

 

 

 

 

 

 

 

 

 

 

 

4

 

 

T

 

PXR

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

R

 

PXT

 

No

R

 

 

 

 

 

 

 

 

 

 

 

 

6

 

PXR

 

 

TXR

 

Connection

 

PXR

 

 

 

 

 

 

 

 

 

7

 

-48VDC

(-48VDC)

(-48VDC)

(4-pin

 

-48VDC

 

 

 

 

 

 

 

 

 

 

 

8

 

GRD

GRD

 

GRD

 

 

GRD

 

 

 

 

modular

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

jack)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TN556,

 

 

 

 

 

 

 

 

 

 

integrated

 

 

TN2198

 

 

 

 

 

 

services

 

 

 

2-wire

 

 

 

 

 

 

digital

 

 

 

basic

 

 

 

 

 

 

network basic

 

 

rate

 

Circuit

 

TN754 4-wire

TN2181 2-wire

rate interface

TN2183

interface

 

Pack

 

digital

digital

 

line

 

Analog line

line

TN726 Data Line

PX

private branch exchange transmit

T

Tip

(A)

 

 

 

 

TX

Terminal transmit

 

R

Ring

(B)

 

 

 

 

Issue 1 September 1995 9-13

Page 143
Image 143
AT&T 555-230-894 manual Port Board and Telephone Pin Designations, Grd