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Page B-18 Instruction Manual: TT1260 Standard Definition Professional Receiver/Decoder
ST.TM.E10100.1
B.6.5 Alarm Connectors
Table B.26: Relay Alarm Output Specification
Item Specification
Connector designation: ALARM
Connector type: 9-way D-type female for the summary alarm relay
25-way D-type female for the Alarm Relay Card (TT1260/HWO/ALRM) with six alarm
relays
Contact Configuration: SPDT (Change-over)
All volt-free contacts, fully isolated.
Contact Rating: 1A at 24 Vdc
1A at 50 Vac
Maximum Switching Current: 1A
Maximum Switching Voltage: 50Vdc/50 Vac
Maximum Switching Power: 24W/60 VA
Minimum Switching Load: 0.1 mA, 100m Vdc
Table B.27: Alarm Relay Card (TT1260/HWO/ALRM) Pin-outs
Pin Specification
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
Pin 13
Pin 14
Pin 15
Pin 16
Pin 17
Pin 18
Pin 19
Pin 20
Pin 21
Pin 22
Pin 23
Pin 24
Pin 25
Relay 1 – Normally Open (Closed on Alarm)
Relay 1 – Normally Closed (Open on Alarm)
Relay 2 – Common
Relay 3 – Normally Open (Closed on Alarm)
Relay 3 – Normally Closed (Open on Alarm)
Relay 4 – Common
Relay 5 – Normally Open (Closed on Alarm)
Relay 5 – Normally Closed (Open on Alarm)
Relay 6 – Common
N/C
N/C
N/C
N/C
Relay 1 – Common
Relay 2 – Normally Open (Closed on Alarm)
Relay 2 – Normally Closed (Open on Alarm)
Relay 3 – Common
Relay 4 – Normally Open (Closed on Alarm)
Relay 4 – Normally closed (Open on Alarm)
Relay 5 – Common
Relay 6 – Normally Open (Closed on Alarm)
Relay 6 – Normally Closed (Open on Alarm)
N/C
N/C
N/C