LP 410  (260-2889)              Pinouts                Faxback Doc. # 4069


This printer has a 36 pin Centronics connector.(IBM port)
And a DB-25 serial interface, RS232C or RS-422A configurable.
(selected by DIP switch near the interface connector)

Note: See Faxback Doc. # 4070 for DIP switch settings.

Centronics Connector:

Pin   Signal               Pin   Signal

 1    Data Strobe*         19    GND (Return for pin 1)
 2    Data 1               20    GND (Return for pin 2)
 3    Data 2               21    GND (Return for pin 3)
 4    Data 3               22    GND (Return for pin 4)
 5    Data 4               23    GND (Return for pin 5)
 6    Data 5               24    GND (Return for pin 6)
 7    Data 6               25    GND (Return for pin 7)
 8    Data 7               26    GND (Return for pin 8)
 9    Data 8               27    GND (Return for pin 9)
10    Acknowledge*         28    GND (Return for pin 10)
11    Busy                 29    GND (Return for pin 11)
12    Paper Empty          30    GND (Return for pin 31)
13    Select               31    Input Prime* (Initialize)
14    N/C                  32    Fault*
15    N/C                  33    N/C
16    +0V                  34    N/C
17    Chassis Gnd          35    N/C
18    +5V                  36    N/C

  N/C = Not Connected        * = Active Low Signal

Serial Port:

RS-232C Configuration:

Pin      Signal               Pin      Signal

 1       Frame Ground         14       N/C
 2       Transmit Data        15       N/C
 3       Received Data        16       N/C
 4       Request to Send      17       N/C
 5       Clear to Send        18       N/C
 6       Data Set Ready       19       N/C
 7       Signal Ground        20       Data Terminal Ready
 8       N/C                  21       N/C
 9       N/C                  22       N/C
10       N/C                  23       N/C
11       N/C                  24       N/C
12       N/C                  25       +5V
13       N/C

RS-422A Configuration:

Pin      Signal                  Pin      Signal

 1       Frame Ground            14       N/C
 2       N/C                     15       N/C
 3       Received Data (invert)  16       N/C
 4       N/C                     17       N/C
 5       N/C                     18       Received Data (non-invert)
 6       N/C                     19       N/C
 7       Signal Ground           20       N/C
 8       N/C                     21       N/C
 9       Send Data (invert)      22       N/C
10       Send Data (non-invert)  23       N/C
11       N/C                     24       N/C
12       N/C                     25       +5V
13       N/C

(dtc-08/06/93)