GeoVision GV-R1352 Card Reader (13.56 MHz) - Manual (Page 17)

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1.3.3 Connect to GV-DVR/NVR and Third-Party Controllers
GV-Reader1251 / 1352 V2 / SR1251 is compatible with third-party access controllers. With
its compatibility, you can also add a GV-DVR/NVR to this connection to empower your
management.
After connecting GV-Reader1251 / 1352 V2 / SR1251 to the access controller through the
Wiegand interface, connect the reader to GV-DVR/NVR via GV-COM, GV-Hub or GV-
NET/IO Card V3.1.
Note: GV-Reader1251 / 1352 V2 / SR1251 is not compatible with the GV-NET Card and
the GV-NET/IO Card of versions earlier than V3.
(Light blue) -
GV-System
GV-COM / GV-Hub /
GV-NET/IO Card V3.1
Acces s Cont roller
(third-party)
(power supply: 7.5~12 V)
(Red)
(Black)
(Blue) +
USB
(Gre en)
(White)
GV-Reader
GV-Reader
⚫ Switch Setting (GV-Reader1251 / 1352 V2 only)
1 2 3 4 5 6 7 8
ON ECE
SW4 must be turned OFF.