3091A Outdoor Unit for 2991T/R

Controls and Monitor (J11)

Pin

Function

1

Ground

2

Summary Alarm

3

Summary Alarm

4

Power Supply – A

5

Power Supply – A

6

Power Supply – B

7

Power Supply – B

8

Unit 1

9

Unit 1

10

Unit 2

11

Unit 2

12

Unit 3

13

Unit 3

14

Unit 4

15

Unit 4

16

No Connect

•

Relays are all normally closed.

•

Relays open for alarm condition or lack of power.

•

Relays can pass 2 Amps.

Switches

Mechanical switches S1 – S8 allow the user to select if 2991 is present & if Tx or Rx.

Transmitter and Receiver equipment

The 2991 equipment is ordered separately and can either be factory or field installed.

Transmitter Model Number

Description

2991TL-F7-SA1303

Tx, 75

Ω Type “F”, Low Gain, mounting plate,

coaxial cable, lightning protector and dc harness

2991TS-F7-SA1303

Tx, 75

Ω Type “F”, Standard Gain, mounting plate,

coaxial cable, lightning protector and dc harness

Receiver Model Number

Description

2991R-F7-SA

Rx, 75

Ω Type “F”, Rx mounting plate, coaxial

cable, lightning protector and dc harness

Additional Parts

Description

3091PS-24

+24 VDC Power Supply, Mounting Bracket, AC

Harness, DC Harness, Thermal Pad

LEDs (Inside unit)

RF / Opt Pwr Unit 1

RF / Opt Pwr Unit 2

RF / Opt Pwr Unit 3

RF / Opt Pwr Unit 4

Summary Alarm

Door Open

Pwr Sply A

Pwr Sply B

RF / Opt Power- Unit 1, 2, 3 or 4

• Green = OK

• Red = Fault

For Transmitter: RF / Opt LED indicates

“Low RF Power”.

For Receiver: RF / Opt LED indicates

“Low Optical Power”.