Speco Technologies 4HD - Manual (Page 13)

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2. Connection
Figure 2.1.1. Rear Panel
Table 2.1.1. Rear Panel Connections
NO Connection Purpose
1 VIDEO IN 4 BNC connectors for video input. (HDcctv / HD-SDI)
2 AUDIO IN 4 connectors for audio input.
3 AUDIO OUT 1 connector for audio output.
4 VIDEO OUT Spot output
5 VGA Connector for VGA monitor.
6 RS-232 POS Interface
7 HDMI OUT Main video output
8 USB Port Connector for mouse or backup
9 RSV Reserved PIN for additional feature
D1+ 1 st RS-485 port
D2+ 2nd RS-485 port
A1, B1 Alarm output connector for alarm device
SENSOR IN 4 connectors for sensor device connection. (S1 ~ S4)
10 TERMINATE RS-485 termination switch for 1
st
and 2
nd