Epson TM-300A Operator's Manual page 64

3. XON/XOFF transmit timing
When XON/XOFF control is selected., the printer transmits XON and XOFF as
follows:
[XON Transmission]
[XOFF Transmission]
NOTES: The XON code is
l
In case
l
In case
l
4. Serial interface connection example
Host (DTE ex 8251)
TXD
DSR
CTS
RXD
DTR
F.G
S.G
* When the side to connected is DCE, set the host so that data shall not be left
unreceived.
(DTE: Data Terminal Equipment) (DCE: Data Communication Equipment)
n TM-300PA/PB
1. Specifications (based on Centronics)
Data transmission: 8-bit parallel
Synchronization:
Handshaking:
Logic level:
Connector:
When the receive buffer is released from the buffer-
full state.
When the printer switches from OFF-LINE to ON-
LINE.
When the receive buffer becomes full.
When the printer switches from ON-LINE to OFF-
LINE.
<11>H, XOFF code is <13>H.
XON is not transmitted when the receive buffer is full.
XOFF is not transmitted when the receive buffer is full.
STROBE pulse supplied by host computer.
ACKNLG and BUSY
All of the interface control signals are TTL compatible
AMP 36P (female) connector or equivalent
58
Printer
RXD
DTR
RTS
TXD
DSR
F-G
S.G