Fig. 4-7: Connection Of A Serial Printer - Bosch BT220 Technical And Operations Manual

Connection:
Report Printer - BT220
RS232 Connection:
STK - BT220
1070 080 037-101 (99.01) GB
BT220 Technical Information and Operation
Prerequisite for shown connection: Hardware-Handshake
Printer (Sub-D, 25-pin)
RX
GND
READY
Socket
Shield continuity via the metal housing of the plug
connection or via a spade connector on the housing
Fig. 4-7: Connection of a Serial Printer
Remarks
Many printers output the READY signal to Pin 20. In such cases the CTS
input on the BT220 must be connected with Pin 20 on the printer.
STK (Channel 4; Sub-HD, 15-pin)
RTS / DTR
CTS
GND
Socket
Fig. 4-8: Connection of the STK multi-contact interface board: Channel 4 fitted with RS232
interface
Electrical Connection
max. 15 m
3
7
11
max. 15 m
1
2
TX
3
RX
4
5
6
7
8
Shield continuity via the metal housing of the plug
connection or via a spade connector on the housing
BT220
3
TX
5
GND
8
CTS
Socket
BT220
2
RX
3
TX
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
Socket
4-5