TOA Electronics ALARM INPUT UNIT C-AL80(H) - Manual (Page 13)

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Master/Slave terminal Master/Slave terminal
• Master/Slave Terminal Cable Type
Use the supplied DIN plug and the twisted pair cable with plug for connection between the Master/Slave
terminals. Refer to the figure shown below and note the correct polarity when making the connection.
Pin No. 1 – Pin No. 1 Control signal (positive)
Pin No. 3 – Pin No. 3 Control signal (negative)
Do not connect pins Nos. 2, 4, and 5.
Note
Incorrect wiring may result in the unit's failure.
The maximum cable length is 1.2km.