Rockwell Collins URG-II Control Words

 

Notes:

1. Control Words I-II-III are sent from the control system to the Receiver-Exciter system

2. Monitor Word is sent from the Receiver-Exciter system to the control system to provide status and alarms

 

Bit

Control Word 1

Control Word 2

Control Word 3

 

Monitor Word

0

Dialogic Bit

Dialogic Bit

Dialogic Bit

 

Dialogic Bit

1

(16) DCU Address

(16) DCU Address

(16) DCU Address

 

(16) DCU Address

2

(8)  DCU Address

(8)  DCU Address

(8)  DCU Address

 

(8)  DCU Address

3

(4)  DCU Address

(4)  DCU Address

(4)  DCU Address

 

(4)  DCU Address

4

(2)  DCU Address

(2)  DCU Address

(2)  DCU Address

 

(2)  DCU Address

5

(1)  DCU Address

(1)  DCU Address

(1)  DCU Address

 

(1)  DCU Address

6

DCFE routing Address

DCFE routing Address

DCFE routing Address

 

DCFE routing Address

7

00

01

10

 

00

8

Reserved for Parity

Reserved for Parity

Reserved for Parity

 

Reserved for Parity

9

spare

RX & Exciter mute

Not used

 

Power Interrupt

10

(2) 10 MHz

VOX Enable

Not used

 

Power Fault Summary

11

(1) 10 MHz

Simplex Enable

Not used

 

Tune Fault Summary

12

(8)  1 MHz

TX B1

RX B1 Data

Not used

 

TX Antenna Tune

RX set to zero

13

(4)  1 MHz

RX B2 Voice

Not used

 

TX set to zero

RX Low-level fault

14

(2)  1 MHz

TX A1

RX A2 Data

Not used

 

TX set to zero

RX Hi-level fault

15

(1)  1 MHz

RX A2 Voice

Not used

 

TX TGC Monitor

RX set to zero

16

(8) 100 KHz

RX via coupler

Auxiliary 3

 

Tune Complete

17

(4) 100 KHz

Self-test

Not used

 

9.9 KHz lock fail

18

(2) 100 KHz

TX B2

RX B1 Data

Not used

 

10 KHz lock fail

19

(1) 100 KHz

CW Enable

Not used

 

9.9 MHz lock fail

20

(8)  10 KHz

AM Enable

(8) Pilot Carrier

 

250 KHz lock fail

21

(4)  10 KHz

RX B1 Voice

(4) Pilot Carrier

 

243.71 KHz lock fail

22

(2)  10 KHz

TX A2

RX A1 Data

(2) Pilot Carrier

 

256.29 KHz lock fail

23

(1)  10 KHz

RX A1 Voice

(1) Pilot Carrier

 

None (set to zero)

24

(8)   1 KHz

Auxiliary 2 (Low Level test)

(8) B1 Squelch

 

None (set to zero)

25

(4)   1 KHz

Exciter Tune

(4) B1 Squelch

 

TX Mux Combiner Out

RX RF overload

26

(2)   1 KHz

Not used

(2) B1 Squelch

 

TX RF Translator fail

RX RF Translator fail

27

(1)   1 KHz

Not used

(1) B1 Squelch

 

TX IF Fail

RX AGC Monitor

28

(8) 100 Hz

Not used

(8) A1 Squelch

 

TX IF A1

RX Audio A1

29

(4) 100 Hz

Power On

(4) A1 Squelch

 

TX IF B1

RX Audio B1

30

(2) 100 Hz

Not used

(2) A1 Squelch

 

TX IF A2

RX Audio A2

31

(1) 100 Hz

Key

(1) A1 Squelch

 

TX IF B2

RX Audio B2