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(Graph 4-1) Serial Communication port and score display port
4.4 Connecting Scoreboard to Indicator
1. The display interface of scoreboard is 15-pin socket, which has been clearly shown
in the Graph 4-1.
2.
The scoreboard signal is 20mA continuous current loop, outputting in binary code,
rate is 600.
4.5 Connecting Printer to Indicator
1. The print port adopts parallel output and 25-pin connecting socket, which has been
clearly shown in the Graph 4-3.
ST
D0
D1
1
2
3
14
15
2. Printing notes:
▲ You must set the printer before you use it.
▲ You must connect the indicator and the printer correctly. The wrong
connection will destroy indicator output interface or printer input interface, and
may even destroy the indicator or printer.
▲ Turning on the printer as following: connecting the line correctly first, turning on
the indicator power, and turning on the printer power finally.
Turning off the printer as following: turning off the printer power first, and then
turning off the indicator power, cutting off the line finally.
Wrong procedure may destroy the indicator or printer.
X K 3 1 9 0 - A 1
D2
D3
D4
D5
5
6
4
16
17
18
19
+P
D6
D7
7
8
9
10
20
21
22
23
the baud
BUSY
11
12
13
24
25
GND
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