GeoVision VSV13-A-EN User Manual page 29

Administrator Mode
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The GV-Video Server can connect up to 4 output devices, e.g. alarms. There are six
output signals are available: N/O (Open Circuit), N/C (Grounded Circuit), N/O Toggle, N/C
Toggle, N/O Pulse and N/C Pulse. Choose the one that mostly suits the device you are
using. Set the pulse duration for the pulse mode.
Figure 4-9
4.2.3 Wiegand Port
The GV-Video Server can work with the Wiegand-interface card reader to send video and
cardholder data to the central monitoring stations Center V2 and VSM. Moreover, the
Wiegand port can be used as an input to activate recording once the card reader is
triggered.
The output format of Wiegand supported by the GV-Video Server is HID standard 26 bits
and 37 bits.
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