Star TSP552 Mode D'emploi page 105

C-3. Cable Connections
(1) The followings are a recommended interface cable connections.
Printer
Printer side
(D-sub 25 pin)
FG 1
TXD 2
RXD 3
RTS 4
DSR
6
SG 7
20
DTR
25
INIT
(2) If power is to be supplied from the interface connector, use wires with
sufficient length and thickness to prevent voltage drop.
FG
TXD
RXD
RTS
CTS
DSR
DTR
SG
FG
TXD
RXD
RTS
CTS
DSR
DTR
SG
or
Host side
25 pin
1
2
3
4
5
6
7
8
20
– 101 –
Host
9 pin
FG
3 TXD
2 RXD
7 RTS
8 CTS
DSR
6
5 SG
1 DCD
4 DTR