Back Panel

FIGURE 81. DB25 Connector Pinout Configuration

TABLE 4. DB25 Connector Pinout Connections

Pin #

Signal

Cable color

 

 

 

1

PTT Relay N.C.

Brown

 

 

 

2

PTT Relay Common

Red

 

 

 

3

MON Relay N.O.

Orange

 

 

 

4

R1 Relay N.C.

Pink

 

 

 

5

R1 Relay Common

Yellow

 

 

 

6

R2 Relay N.O.

Green

 

 

 

7

Ground

Lt. Green

 

 

 

8

Digital 0/X-Mute

Blue

 

 

 

9

Digital 2

Violet

 

 

 

10

Digital 4

Gray

 

 

 

11

CTCSS

White

 

 

 

12

Radio RX- in / 4-wire RX

Black

 

 

 

13

Radio TX- out / 4-wire TX or 2-wire

Brown/White

 

 

 

14

PTT Relay N.O.

Red/White

 

 

 

15

MON Relay N.C.

Red/Black

 

 

 

16

MON Relay Common

Orange/White

 

 

 

17

R1 Relay N.O.

Orange/Black

 

 

 

18

R2 Relay N.C.

Pink/Black

 

 

 

19

R2 Relay Common

Yellow/Black

 

 

 

20

Digital 6/COR

Green/White

 

 

 

21

Digital 1/Supervisory

Green/Black

 

 

 

22

Digital 3

Blue/White

 

 

 

23

Digital 5/Local PTT

Violet/White

 

 

 

24

Radio RX+ input / 4-wire RX

Gray/Black

 

 

 

25

Radio TX+ out / 4-wire TX or 2-wire

Black/White

 

 

 

Shield

Ground

 

 

 

 

21

Page 19
Image 19
Telex IP-223 technical manual Pin # Signal Cable color, Ctcss