Canon MultiPASS C530 Service Manual page 231

MultiPASS C530/C560 Chapter 3: Maintenance & Service
MODEM board (J7) ← → NCU board (J2)
J7
1
2
3
4
5
6
NCU board (J10) ← → Modular board (J2)
J10
1
2
3
4
5
Modular board (J1) ← → to Extension telephone or Telephone line
J1
1
2
3
4
5
6
J2 Signal name
— 6 AGND
→
5 +12VA
→
4 +12VA
— 3 AIN
→
2 TX
←
1 RX
J2 Signal name
— 5 L1
— 4 L2
— 3 —
— 2 T11
— 1 T12
EXT. Tel Signal name
— — L2
— — L1
— — T2
— — T1
— — CT2
— — CT1
Description
Ground
Sensor LED drive voltage
Sensor LED drive voltage
Line monitor signal
Telephone line transmision signal
Telephone line reception signal
Description
Line for extension telephone
Line for extension telephone
Not used
Telephone line
Telephone line
Description
Telephone line
Telephone line
Line for telephone
Line for telephone
Line for extension telephone
Line for extension telephone
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