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Geovision internal RS485 to RS232 converter
 
GVNET card

Description:
The GV-NET Card is an interface converter that can be installed inside a PC. Connects up to 9 RS485 serial device.
 

Specification:

Specification	Description
RS-232 to PC	RJ-11 to DB9 female cable
RS-485 +	Connect to GV-IO / PT-811 RS-485+ or Pelco, Ademco, Lilin Dome camera RS-485+
RS-485 -	Connect to GV-IO / PT-811 RS-485 - or Pelco, Ademco, Lilin Dome camera RS-485 -
INPUT	Input	4
	Input Signal	5V DC (floating) / TTL
	High State	5V
	Low State	0V
OUTPUT	Relay Output	4
	Relay Status	Normal Open
	Relay Capacitance	2A / 30V DC; 0.25A / 125V (250V)AC
	Relay ON Time	4ms
	Relay Off Time	4ms
Communication	RS-485, 1,200~19,200 bps
DC IN	DC 5V, 1A
Environmental Conditions	Operation temperature	0~50 degree C
	Humidity	5%~95% (non-condensing)
Compatible Models	GV-NET Card: all models
	GV-NET/IO Card: GV-600V3, GV-650V3, GV-800V3, GV-900 v1.11, GV-1000 v1.21
Dimensions	88mm x 99mm
Installation Guide	GV-NET Card GV-NET/IO Card (125V) GV-NET/IO Card (230V)