Operation Manual

Chapter 4 External I/O Connections 29
Parallel Interface
FIGURE 4-2 DB-25 Parallel Connector
TABLE 4-1 Parallel Connector Pinout
Pin Signal Name I/O Service
1 DATA_STROBE_L Data Strobe (actibe LOW)
2 DAT(0) Data Bit 0
3 DAT(1) Data Bit 1
4 DAT(2) Data Bit 2
5 DAT(3) Data Bit 3
6 DAT(4) Data Bit 4
7 DAT(5) Data Bit 5
8 DAT(6) Data Bit 6
9 DAT(7) Data Bit 7
10 ACK_L Acknowledge (active LOW)
11 BSY Busy (active HIGH)
12 PERROR Paper End (active HIGH)
13 SELECT_L Select (active ???)
14 AFXN_L Auto Line Feed (active LOW)
15 ERROR_L Error (active LOW)
16 RESET_L Initialize Printer (prime active LOW)
17 IN_L Select Input (active LOW)
18 GND Ground
19 GND Ground
20 GND Ground
21 GND Ground
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LW3User.book Page 29 Wednesday, November 10, 1999 9:00 AM