CAS BW-SERIES, Service Manual

Page: 5 / 24

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Serial Interface (RS-232C)
■
Connecting with PC
RXD 1
ㅇ
---------------------------
ㅇ
2 Transmit Data
TXD 2
ㅇ
---------------------------
ㅇ
3 Receive Data
GND 5
ㅇ
---------------------------
ㅇ
7 Signal Ground
┌─ ㅇ
4 Request to Send
├─
ㅇ
5 Clear to Send
├─
ㅇ
6 Data Set Ready
├─
ㅇ
8 Carrier Detect
└─
ㅇ
20 Data Terminal Ready
9 pin port (Male) 25 pin port of PC (Female)
RS-232C port of BW-SERIES
RXD 1
ㅇ
---------------------------
ㅇ
3 Transmit Data
TXD 2
ㅇ
---------------------------
ㅇ
2 Receive Data
GND 5
ㅇ
---------------------------
ㅇ
5 Signal Ground
┌─
ㅇ
1 Carrier Detect
├─
ㅇ
4 Data Terminal Ready
├─ ㅇ
6 Data Set Ready
├─ ㅇ
7 Request to Send
└─ ㅇ
8 Clear to Send
9 pin port (Male) 25 pin port of PC (Female)
RS-232C port of BW-SERIES
■
Connecting with Sub-display (CD-SERIES)
RXD 1
ㅇ
---------------------------
ㅇ
2 Transmit Data
TXD 2
ㅇ
---------------------------
ㅇ
3 Receive Data
GND 5
ㅇ
---------------------------
ㅇ
7 Signal Ground
9 pin port (Male) 9 pin port of Sub-display
(Male)
RS-232C port of BW-SERIES
TEST MODE
Moving method
Open the top cover of indicator and power on with pressing CAL switch in the left
top. At that time, LCD screen shows “ZEro=tESt tArE=CAL” message and pressing
‘Zero’ key moves to Test 1.
Test menu (tESt 1 ~ tESt 4)
TEST 1: Liquid crystal display test
TEST 2: A/D conversion test
TEST 3: Key test
TEST 4: RS-232C communication test