EPL-9000
Service Manual
General Description
1.3.3 Optional LocalTalk Interface
This printer can use the optional LocalTalk interface module.
Type:
LocalTalk
Signal level:
Same as RS-422 signal level
Protocol:
X-ON/X-OFF (cannot be combined with
control)
control (cannot be combined with X-ON/X-OFF)
Transfer speed:
230.4 K bps
Signal description:
See Table 1-11.
Table 1-11. LocalTalk Interface
Pin Assignments
Pin No.
Signal Name
I
4 GND
5
7
NC
8
Signal output by the printer. When the
signals HIGH, the
signal can be received by the printer.
IN
The printer transmits the data through
while CTS is
Serial ASCII data output from the printer.
HIGH level; when SD+ voltage is higher than SD- voltage.
OUT
LOW level; when SD+ voltage is less than SD- voltage.
Logic O is “SPACE” and logic 1 is “MARK” state must be
maintained between transmitted character codes.
Ground.
Serial ASCII data input from computer.
HIGH level; when
voltage is higher than
voltage.
LOW level; when
voltage is less than
voltage.
Logic O is “SPACE” and logic 1 is “MARK” state must be
maintained between transmitted character codes.
OUT
Refer to
Not
connected.
IN
Refer to
Rev.
1-19
