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Appendix # 3: External I/O Connections
Rear Panel Connections
The rear panel has basic connections for Power (4 Pin Din), Video In/Out (BNC connections) and the
External I/O port (9 Pin connector).
Audio inputs (RCA inputs) are only available on DGR101 models.
.
The included alarm block (not shown) allows for easier connections when using external triggers and alarm
sensors.
Below are line diagrams of the alarm block and possible RS-232 connections. Appendix 1 shows a detailed
description of each Pin/Terminal is provided.
NO 8
NC 7
R/S 6
E/O 5
S/O 4
V/L 3
TX1 2
RX 1 1
15 COM
14 A/I
12 D/F
13 A/R
11 RX2
10 TX2
9 GND
GND
Alarm Block Diagram
9 Pin COM port connections
25 Pin COM port connections
