Rev. 1.00
- 8 -
GTP-250
1-2 Connecting the Cables
You can connect up the three cables to the printer. They all connect to the connector panel
on the back of the printer, which is shown below:
※
NOTE
Before connecting any of the cables, make sure that both the printer and the host are
turned off.
1-2-1 Serial Interface (RS-232C)
※
When the Dip Switch is “ON” on the Serial Interface Board,
DTR and RTS are connected each other.
Pin No.
Signal name
Direction
Function
1 FG -
Frame
Ground
2 TxD Output
Transmit
Data
3 RxD Input
Receive
Data
4 RTS Output
Ready
To
Send
5
CTS
Input
Clear To Send
6
DSR
Input
Data Set Ready
7 SG -
Signal
Ground
20
DTR
Output
Data Terminal Ready
Drawer
kick-out
connector
Power
supply
connector
Interface connector
PRINTER
SIDE (25P)
HOST
SIDE (25P)
PRINTER
SIDE (25P)
HOST
SIDE (9P)
