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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
Copper wire size
(AWG)
#24
(0.22 mm
2
)
#22
(0.33 mm
2
)
#20
(0.52 mm
2
)
#18
(0.83 mm
2
)
Length of
cable
(approx.)
(m)
20
30
45
75
(feet)
65
100
150
250
Important:
• The power supply of 24 V AC shall be insulated
against 120 V AC power.
Note:
• Can only be connected to 24 V AC power supply.
• When using an alarm input or output
connector, please connect directly (there is
no dedicated cable in between).