21
Alarm In/Out Ratings
Alarm In : 5 V DC pull-up input. Drive capacity of at
lease 0.2 mA required.
OFF : 4 V to 5 V DC, or open
ON : 1 V DC or less, or short
Alarm Out : Open collector output. 16 V DC,
maximum drive current: 100 mA
OFF : Open
ON : 100 mA or less
Note:
• Do not turn off camera power within 30 seconds
after turning it on. Doing so can cause pan, tilt,
zoom, or focus to go out of position.
• 24 V AC Power Supply Connection
Recommended wire gauge sizes for 24 V AC line
#24
(0.22mm
2
)
Copper wire size
(AWG)
Length of
cable (approx.)
#22
(0.33mm
2
)
#20
(0.52mm
2
)
#18
(0.83mm
2
)
(m) 20 30 45 75
Important:
• The power supply of 24 V AC shall be insulated
against 220 to 240 V AC.
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