Operation Manual

4-103
FAX-L1000 Chapter 4: Maintenance and Service
TWINS board(J36) ,/ Power supply unit (J202)
J36 J202 Signal name Description
5 / 5 +24V +24V(off while ESS)
6 . 6 24GND Ground
7 . 7 24GND Ground
8 / 8 +5V +5V
9 / 9 +5V +5V
10 . 10 GND Ground
11 . 11 GND Ground
12 / 12 +3.3V +3.3V(off while ESS)
13 / 13 +3.3V +3.3V(off while ESS)
14 . 14 GND Ground
15 . 15 GND Ground
TWINS board (J37) ,/ ISDN G4 board (J2) (FAX-L1000 ISDN KIT)
J37 J701 Signal name Description
1 . 14 GND Ground
2 / 13 +5V Logic drive voltage
3 / 12 +5V Logic drive voltage
4 / 11 +5V Logic drive voltage
5 . 10 GND Ground
6 . 9 GND Ground
7 / 8 +3.3V Logic drive voltage
8 . 7 GND Ground
9 / 6 +3.3V Logic drive voltage
10 / 5 +3.3V Logic drive voltage
11 . 4 GND Ground
12 . 3 GND Ground
13 / 2 +12V Logic drive voltage
14 . 1 GND Ground
TWINS board (J39) ,/ ISDN G4 board (J1) (FAX-L1000 ISDN KIT)
J39 J700 Signal name Description
A1 . A20 N.C Not connected
A2 / A19 SPKON Speaker on signal
A3 . A18 GND Ground
A4 , A17 OPTION2 Option board detection signal 2
A5 , A16 OPTION1 Option board detection signal 1
A6 , A15 OPTION0 Option board detection signal 0
A7 / A14 RESET Reset signal
A8 , A13 SELECT Select signal
A9 , A12 PERROR Print error signal
A10 , A11 BUSY Busy signal
A11 / A10 nACK ACK signal
A12 . A9 PD7 Data signal