Localtalk (optional interface), Macintosh to serial – HP QMS 1660E User Manual
Page 241
Cable Pinouts
B-11
Technical Specifications
LocalTalk (Optional Interface)
The following table provides the pinouts for the printer’s optional 8-pin
LocalTalk interface:
Macintosh to Serial
The following table provides the pinouts for a cable connecting the
Macintosh printer or modem port to the printer’s serial port:
»
Note:
To download printer system software from a Macintosh, you
must have this type cable.
Pin
Name
Pinout View from Printer Interface
1,2,7
Reserved
3
Transmit Data - (TXD)
4
Signal Ground (GND)
5
Receive Data - (RXD)
6
Transmit Data + (TXD)
8
Receive Data + (RXD)
To Macintosh
DB-9 Female
To Printer
DIN-8 Male
HandshakeOut
1 7
RTS
HandshakeIn
2
8
CTS
TXD-
3
3
TXD
RXD-
5
2
RXD
GND,RXD+
4,8*
5
GND
6
Not Used
7
Not Used
* Pins 4 and 8 must be connected together on the DIN-8 cable.