TECHNICAL MANUAL
CVM 3000
C 5030 CV/04-99 GB
7
Meaning of the LED’s:
A
Power supply to the terminals (logic board power supply): terminals 105-
106
B
COM 2 serial port Rx signal:
expansion module<->main board (terminals 101bis/102bis/98)
C
COM 2 serial port Tx signal, alternately for:
logic<->main board
expansion module<->main board (terminals 101bis/102bis/98)
D
COM 3 serial port Rx signal:
(terminals 98/99/100)
E
COM 3 serial port DTR signal
F
COM 3 serial port Tx signal
(terminals 98/99/100)
G
Supply to terminals (main board power supply): 94-95
H
COM 4 serial port Rx signal
(terminals 96/97/98/96bis)
I
COM 4 serial port DTR signal
(terminals 96/97/98/96bis)
L
COM 4 serial port Tx signal
(terminals 96/97/98/96bis)
O
COM 2 serial port Rx signal
expansion module <-> main board (terminals 178/179/179 bis)
P
COM 2 serial port Tx signal
expansion module <-> main board (terminals 178/179/179 bis)
R
Supply to terminals (serials): 180-181
S
Supply to terminals (relays): 182-183