Connectors And Signals - Star Micronics SP300 Series Programmer's Manual

3-3. Connectors and Signals

Pin no Signal name
1 STROBE
2-9 DATA 1-8
10 ACK
11 BUSY
12 PAPER OUT
13 SELECTED
14-15 N/C
16 SIGNAL GND
17 CHASSIS GND
18 +5VDC
19-30 GND
31 RESET
32 ERROR
33 EXT GND
34 COMPULSION OUT
35-36 N/C
(19)
(1)
Fig. 3-3 Parallel interface connector (printer side)
Direction
IN Signals when data is ready to be read. Signal
goes from HIGH to LOW (for at least 0.5
microsec.) when data is available.
IN These signals provide the information of the
first to eighth bits of parallel data. Each signal
is at HIGH level for a logical 1 and at a LOW
level for a logical 0.
OUT A 9 microsecond LOW pulse acknowledges
receipt of data.
OUT When this signal goes LOW, the printer is
ready to accept data. When the printer is in
one of the conditions below. "HIGH" is set.
1. Data being entered.
2. Off line.
3. Error condition.
OUT This signal is normally LOW. It will go
HIGH if the printer runs out of paper.
OUT This signal is HIGH when the printer is online.
Unused
Signal ground.
Chassis ground, isolated from logic ground.
+5VDC (Max 50mA)
Twisted pair return signal ground level.
IN When this signal goes LOW, the printer is
reset to its power-on condition.
OUT This signal is normally HIGH. This signal
goes LOW to signal that the printer cannot
print due to an error condition.
Refer to Item 8-4 Emergency Suspension.
External ground.
Compulsion signal
Unused.
(36)
This connector mates with an
Amphenol 57-30360 connector
(18)
– 24 –
Function