Canon FAX-L1000 - Manual (Page 341)

4-89
FAX-L1000 Chapter 4: Maintenance and Service
SCNT board (J9) ,/ NCU board (J1)
J9 J1 Signal name Description
1 . 23 DGND Ground
2 , 22 BIT3 for future use
3 , 21 BIT2 for future use
4 , 20 BIT1 for future use
5 . 19 LPL2 Not used
6 . 18 LPL1 Not used
7 . 17 HOOK2 Not used
8 , 16 HOOK1 Off hook detection signal
9 , 15 CIOR CIOR signal 1
10 , 14 CI2 CI detection signal 2
11 , 13 CI1 CI detection signal 1
12 . 12 LPRD Not used
13 / 11 DCD DC relay control signal
14 / 10 CMLD CML relay control signal
15 / 9 HRD H relay control signal
16 / 8 PRD P relay control signal
17 / 7 SRD S relay control signal
18 . 6 DGND Ground
19 . 5 DGND Ground
20 / 4 VH +24V DC
21 / 3 +3.3V Logic drive voltage
22 / 2 +3.3V Logic drive voltage
23 . 1 DGND Ground
SCNT board (J10) ,/ SPEAKER
J10 Speaker Signal name Description
1 / 1 SPKO2 Speaker out 2
2 / 2 SPKO1 Speaker out 1