Connectors And Signal Names; Rs-232C Interface - Star Micronics TSP200 Series Programmer's Manual

4-3. Connectors and Signal Names

5
9

4-3-1. RS-232C Interface

Pin No. Signal name Direction
1 FG
2 RXD
3 TXD
4 DTR
1
6
– Frame ground
IN Receiving data
OUT Transmission data
OUT ESC/POS mode
1) DTR/DSR communication mode
Indicates if printer is busy or not.
The conditions for busy will vary according to
the memory switch settings.
Printer Status
1. From when the power
is turned on or I/F reset
until communication
possible
2. Test printing
3. Cover open
4. Paper feed by paper feed
switch
5. Stop due to no paper
6. During waiting for
switch input in macro
execution
7. Other errors
8. Receiving buffer full
2) XON/XOFF Communication mode
Indicates when printer can receive data from
host. This is space, except for the following.
1. After reset until communication possible.
2. During test printing.
– 7 –
Function
Space: Printer ready
Mark: Printer busy
Memory SW #4-4
1 0
BUSY BUSY
BUSY BUSY
– – – BUSY
– – – BUSY
– – – BUSY
– – – BUSY
– – – BUSY
BUSY BUSY