This info relates to the Polaris model PA1 RIB. This rib has a DB25M connector for the radio cable and a DB25F connector for the computer cable.

Radio connector

Motorola                                        Polaris
Rib Pin                                          Rib Pin

11 ---------------------------------------------- 15

13 ---------------------------------------------- 24

15 ---------------------------------------------- 11

24 ---------------------------------------------- 13

1  ----------------------------------------------  1

2  ----------------------------------------------  2

6  ----------------------------------------------  6

8  ----------------------------------------------  8

12 ----------------------------------------------  12

Computer connector

• a. When using a desktop computer you use a regular male to female 25 pin cable
• b. When using a laptop computer you need a 25 pin male to a 9 pin female cable with the pins connected as such:

Polaris Rib                                     Laptop 9
DB25M                                             DB9F 

2  ---------------------------------------------  3

3  ---------------------------------------------  2

5  ---------------------------------------------  8

7  ---------------------------------------------  5

20 ---------------------------------------------  4

22 ---------------------------------------------  9

Motorola/Polaris Compatibility Chart

Motorola 15 pin                Polaris 25 pin

11 -----------------------------------  2
10 -----------------------------------  3
13 ----------------------------------- 20
9  -----------------------------------  7
14 ----------------------------------- 22

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