Motorola GTF374 Quick start manual

19B07_Cover Page 1 Friday, July 2, 1999 2:33 PM

GTF374

Programming Cable

3x4.75

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GENERAL

The GTF374 Programming Cable is a passive cable used to connect the mobile Professional

Radio to the RLN4008 Radio Interface Box (RIB) when the radio is to be tuned or programmed.

The Programming Cable has a 10-pin male Telco connector at one end, which connects to the radio microphone connector, and a 25-way female ‘D’ type connector at the other end for connection to the RIB.

OPERATION

Refer to the relevant test/ programming procedures for the radio on test and connect the radio to the RIB as directed.

!

C a u t i o n

Do not disconnect the cable in the middle of a procedure. This may leave the radio incorrectly configured and degrade the radio performance

SERVICE

The Programming Cable is not repairable. Order a replacement cable as necessary.

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SCHEMATIC DIAGRAM

P1

10-way Telco

FLT A +

Hook

Ground

PTT

Bus +

10

1

2

5

6

3

4

7

8

9

1k Ohm resistor mounted inside the

DB25 body

P2

25-way ‘D’ Type

Ground

12

13

14

10

11

8

9

6

7

4

5

15

16

17

18

19

20

21

22

23

24

25

1

2

3 linked to pin 13

Switched Battery voltage + linked to pin 4

Bus +

Not Connected

Boot Control

CONNECTOR DETAIL

Pin 25 Pin 13

25-Position

DB25

Female

Connector

Pin 14

Pin 1

Pin 10

Pin 1

Pin 8

Pin 9

1,500

±

50mm

Cable

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19B07_Cover Page 2 Friday, July 2, 1999 2:33 PM

© 1999 by Motorola, Inc.

Radio Products Group

Jays Close, Viables Industrial Estate,

Basingstoke, Hampshire RG22 4PD United Kingdom

and Motorola are registered trademarks of Motorola Inc.

Professional Radio and GP are trademarks of Motorola Inc.

All Rights Reserved.

6864119B07