Technical Manual
Hangzhou Hikvision Digital Technology Co., Ltd.
No. 36, Macheng Road, Hangzhou, Zhejiang 310012, China
TEL：(86-571)88075998 FAX：(86-571)88805843 Website: www.hikvision.com
⑦ RS-232 Serial Interface
⑧ LAN Network Interface
⑨ USB Interface (optional)
⑩ LOOP OUT (optional)
⑪ RS-485 Matched Resistance Switch
⑫ RS-485 Serial Interface，Keyboard Interface (support cascade), ALARM IN,
ALARM OUT
⑬ GND, when cascading multiple devices, it is required that grounding through
GND first, and then connecting to the protection ground of control keyboard
and power input.
⑭ AC110/220V Power Input
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