Revo REXTZ22-1 - Manual (Page 12)

3.2 EXTERNAL INPUT
It connects to an external sensor.
ALARM/MD -> EXT
• EXT-IN - OPEN : COLOR / ALARM OFF
- CLOSED : B/W / ALARM ON
3.3 EXTERNAL OUTPUT
The EXT-OUT lead and MD-OUT lead output voltage is different according to D/N and
MD settings. Please refer to below in detail.
1. EXT-OUT output voltage
The EXT-OUT lead output voltage for
COLOR and B/W is as following.
• EXT-OUT - COLOR : 0V
- B/W : 5V
2. MD-OUT output voltage
The MD-OUT lead output voltage is as
following in case MD event occurs
when 'ALARM/MD MENU' -> 'MODE' is set
to MD, MD+EXT
• MD-OUT - MD OFF : 0V
- MD ON : 3.3V
3.4 RS-485 CONNECTION
Connecting to the RS-485 : The Camera can be
controlled remotely by an external device or
control system, such as a control keyboard,
using RS-485 half-duplex. Connect Market Rx+,
Rx- to Tx+ and Tx- of the RS-485 control system.
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