IRD EXPANSION PORT RELAY NUMBER

RELAY ASSIGNMENT
NON-FULL FORM
AFFILIATE

RELAY
ASSIGNMENT
DEFINITION

Expport1-1
Pins + / -

TIME SYNC CLOCK PULSE

TIME SYNC CLOCK PULSE

Expport1-2
Pins + / -

Reserved - not used

Reserved - not used

Expport2-1
Pins 1 and 2

AUDIO PORT 3-Relay 1

Program START/END

Expport2-2
Pins 3 and 4

AUDIO PORT 3-Relay 2

Local Break START/END

Expport2-3
Pins 5 and 6

AUDIO PORT 3-Relay 3

Local Liner START

Expport2-4
Pins 7 and 8

AUDIO PORT 2-Relay 1

Program START/END

Expport2-5
Pins 9 and 10

AUDIO PORT 2-Relay 2

Local Break START/END

Expport2-6
Pins 11 and 12

AUDIO PORT 2-Relay 3

Local Liner START

Expport2-7
Pins 13 and 14

AUDIO PORT 2-Relay 4

Reserved - not used

Expport2-8
Pins 15 and 16

AUDIO PORT 4-Relay 1

Program START/END

Expport2-9
Pins 17 and 18

AUDIO PORT 4-Relay 2

Local Break START/END

Expport2-10
Pins 19 and 20

AUDIO PORT 4-Relay 3

Local Liner START

Expport2-11
Pins 21 and 22

AUDIO PORT 1-Relay 1

Program START/END

Expport2-12
Pins 23 and 24

AUDIO PORT 1-Relay 2

Local Break START/END

Expport2-13
Pins 25 and 26

AUDIO PORT 1-Relay 3

Local Liner START

Expport2-14
Pins 27 and 28

AUDIO PORT 1-Relay 4

Reserved - not used