Canon FAX-L1000 - Manual (Page 337)

4-85
FAX-L1000 Chapter 4: Maintenance and Service
SCNT board (J2) ,/ TWINS board (J31)
J2 J31 Signal name Description
1 / 1 VA5 Address signal
2 / 2 VA4 Address signal
3 / 3 VA3 Address signal
4 / 4 VA2 Address signal
5 / 5 VA1 Address signal
6 / 6 VA0 Address signal
7 . 7 DGND Ground
8 . 8 VD7 Data signal
9 . 9 VD6 Data signal
10 . 10 VD5 Data signal
11 . 11 VD4 Data signal
12 . 12 DGND Ground
13 , 13 INTPIFI1 Interrupt signal 1
14 , 14 INTPIFI2 Interrupt signal 2
15 / 15 VUBE Upper Bite Enable
16 , 16 +5V Logic drive voltage
17 / 17 ALLRST All reset signal
18 / 18 CLKCTK Clock control signal
19 / 19 TC Terminal count
20 / 20 DACK2 DMA acknowledge signal 2
21 / 21 DACK5 DMA acknowledge signal 5
22 , 22 DREQ2 DMA request signal 2
23 , 23 DREQ5 DMA request signal 5
24 , 24 OPTION0 Option board detection signal 0
25 , 25 OPTION1 Option board detection signal 1
26 . 26 DGND Ground
27 , 27 PPRDY Printer power ready signal
28 , 28 TOP Top of page signal
29 , 29 STS Status signal
30 / 30 CBSY Command busy signal
31 / 31 PRFD Pre-Feed signal
32 . 32 DGND Ground
33 / 33 CCLK Controller clock signal
34 / 34 VDO Printer video signal
35 / 35 CCRT Condition change report signal
36 / 36 MODRST Modem reset signal
37 , 37 +5V Logic drive voltage
38 , 38 OPTION2 Option board detection signal 2
39 , 39 SCEN Printer panel data receive enable signal
40 / 40 CSITX Printer panel data transmission signal
41 , 41 +12V +12V
42 . 42 AGND Analog ground
43 , 43 +24V +24V