Read Sharp UP-5900 (serv.man7) Service Manual online
UP-5900VI
COM1, COM2 and COM3/5 Connector
– 10 –
16. COM1, COM2 and COM3/5
Connector
1) COM1 & COM2
• D-SUB 9pin Connector
• CI signal of COM1 or COM2 and +5V power supply can be
switched in order to supply +5V power.
Connector Specifications*
D-SUB9
2) COM3/5
• Channels of COM port with an RJ45 connector are equipped.
• Two CABLE HOLDER
1
and SCREW (M3
u
8)
2
are contained in
the package.
Pin No.
Signal
Function
I/O
1
CD
Data Carrier Detect
I
2
RD
Receive Data
I
3
SD
Send Data
O
4
ER
Data Terminal Ready
O
5
SG
Signal Ground
—
6
DR
Data set Ready
I
7
RS
Request to Send
O
8
CS
Clear to Send
I
9
CI/+5V
Ring Indicate/+5V
I/–
Within 3cm
CORE(RCORF6700BHZZ)
Wire band
S2 = COM1: 1 = +5V
3 = CI
S1 = COM2: 1 = +5V
3 = CI
3
1
S1
+5V CI
3
1
S1
S1
+5V CI
3
1
S2
+5V CI
3
1
S2
S2
+5V CI
+5V
CI
COM2
COM1
2
1
Within 5cm
CORE(RCORF6700BHZZ)
Wire band
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