Contec SPC-8520-LA, User Manual

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3. Hardware Installations
SPC-8520-LA, SPC-8521-LA
19
RS-422 / RS-485 specifications
Table 3.7. RS-422A/RS-485 specifications
Transmission system Asynchronous, half-/full-duplex serial transmission
conforming to RS-422A/RS-485
Baud rate 50 - 115,200bps (programmable)
Signal extensible distance 1.2km Max.
RTS#
JP2: 7-8
TXD
D
JP2: 5-6
JP2: 4-6
R
RXD
47 k Ω
6.2 k Ω
6.2 k Ω
47 k Ω
R
CTS#
47 k Ω
6.2 k Ω
6.2
k
Ω
47 k Ω
RTS#
D
JP1: 3-4 120 Ω
JP1: 1-2 120 Ω
JP1: 7-8 120 Ω
10 5
6 1
JP1: 5-6
120 Ω
+5V
Terminating Resister
Figure 3.1. RS-422A / RS-485 Setting
VGA Connector: CNV1
It is a VGA (Analog RGB) connector. The pin assignments are as follows:
Table 3.8. VGA Connector (CN13)
PIN No. Function PIN No. Function
1
Red
2
Green
3 Blue 4 N.C.
5 GND 6 GND
7 GND 8 GND
9 VCC 10 GND
11 N.C. 12 DDC data
13 H-Sync 14 V-Sync
1
6
11
5
10
15
15 DDC clock 16 N.C.