7
Figure 2-6
9
10
Baud Rate
OFF
OFF
9600bps
ON
OFF
4800bps
OFF
ON
2400bps
ON
ON
1200bps
Table 2-5
11
12
HD/SD video mode
OFF
OFF
HDCVI
ON
OFF
/
OFF
ON
/
ON
ON
SD
Table 2-5
2.4
Terminal Matching Resistance Setup
The connection mode of device terminal 120
Ω
resistance, the terminal resistance 120
Ω
already
exists on the power board, there are two connection modes, see Figure 2-7.
120Ω
1-2
ON
2-3
OFF
Figure 2-7
The factory default setup is shown as in Figure 2-8. Right now, the jumper (Connection board) is
on the pin 2 and pin
3. The 120Ω resistance does not connect to the device.
Figure 2-8
If you want to connect the 120Ω resistance, please remove the jumper from the pin 2 and pin 3
and connect to pin 1 and pin 2. Now t
he 120Ω is connected to the circuit. See Figure 2-9.
Summary of Contents for DH-SD49212I-HC
Page 22: ...15 Figure 3 6 ...
