Sharp ER-A57R1 Service Manual page 26

CHAPTER 5. SIGNAL CONNECTION
25PIN D-SUB
MODEM
2
SD
RD 3
RTS
4
DCD 8
DTR 20
DSR
6
CTS
5
SG 7
CI
22
FG 1
DIAGRAM
1. Connection between the master (Host)
and Satellite
9PIN D-SUB
TERMINAL
3
SD
2
RD
RTS
7
1 DCD
4 DTR
DSR
6
CTS
8
5 SG
CI
9
FRAME GROUND is connected
to the shield of the cable.
25PIN D-SUB
HOST
SD 2
3
RD
4
RTS
8
DCD
DTR 20
DSR 6
CTS 5
SG 7
FG 1
SD : TRANSMITTED DATA
RD : RECEIVED DATA
DTR : DATA TERMINAL READY
DSR : DATA SET READY
RTS : REQUEST TO SEND
DCD: DATA CARRIER DETECTOR
CTS : CLEAR TO SEND
FG : FRAME GROUND
2 ™ 4
9PIN D-SUB
SATELLITE
3 SD
2
RD
7
RTS
1
DCD
4 DTR
6 DSR
8 CTS
5 SG
FRAME GROUND is connected
to the shield of the cable.