Toa VP-2241, Instruction Manual

Page: 229 / 328

Chapter 9: CONNECTIONS
3. Sf mODulES (VX-200SP, VX-200SZ, VX-200SI, VX-200SO) cONNEcTIONS
9-7
3.3. VX-200SP Connection to External Attenuator
3.3.1. 3-wire system connection
3.3.2. 4-wire system connection
End of line
SP N
Relay
Control
DC Power
Supply
(+) (–)
(–) (+)
N1
ATT CTRL
SP OUT
C
N2
(NO)
(NC)
H
C
LINE MONITOR
H
C
VX-200SP
Attenuator Control (ATT CTRL) relay contact capacity
Withstand voltage: 30 V DC, 250 V AC
Contact current: Under 7 A (DC), under 7 A (AC)
3.4. VX-200SZ Connection to External Attenuator
Note: Only the external attenuators of 4-wire system can be used for the VX-200SZ.
SP N
Relay
Control
DC Power
Supply
(+) (–)
(–) (+)
N1
ATT CTRL
SP OUT
C
N2
(NO)
(NC)
H
C
VX-200SZ
Attenuator Control (ATT CTRL) relay contact capacity
Withstand voltage: 30 V DC, 250 V AC
Contact current: Under 7 A (DC), under 7 A (AC)
End of line
N1
ATT CTRL
SP OUT
SP N R
C
N2
(NO)
(NC)
H
C
LINE MONITOR
H
C
VX-200SP
AT-603 etc.
Attenuator Control (ATT CTRL) relay contact capacity
Withstand voltage: 30 V DC, 250 V AC
Contact current: Under 7 A (DC), under 7 A (AC)
Note: This attenuator is assumed to be bypassed
when the system power is turned on.
Note:
This attenuator is assumed to be bypassed
when the system power is turned on.