TOA Electronics VM-2120 Manuel D’Utilisation
16
7.3. Connection between Remote Microphone and VM Amplifier
[Connection method vs. Distance]
Using the specified cable, connect between the VM amplifier(s) and Remote Microphone(s) via their LINK
connectors. They can be connected in any order. (Two connection examples are shown.)
connectors. They can be connected in any order. (Two connection examples are shown.)
Connection example 1
Connection example 2
* TIA/EIA-568A standard Category 5 Shielded Twisted-Pair cable (straight type)
Abbreviated to "Cat. 5 STP cable."
The total length of LINK-to-LINK connection cables must be under 800 m (when connected using Category 5
STP cable).
STP cable).
a + b + c + d + e
800 m
7.4. Power Supply from the VM Amplifier to Remote Microphone
The VM amplifier can only supply power to one Remote Microphone. Therefore, each of the remaining
Remote Microphone(s) needs to have a 24 V DC power supply (AC adapter) of its own.
Remote Microphone(s) needs to have a 24 V DC power supply (AC adapter) of its own.
(1) Power supply via Category 5 STP cable
Remote
microphone
Remote
microphone
24 V DC
Power
supply
24 V DC
Power
supply
24 V DC
Power
supply
Remote
microphone
Remote
microphone
Master VM
amplifier
Sub-VM
amplifier
a
b
c
d
e
LINK connector (RJ45)
Category 5 STP straight cable*
PRE OUT jack
POWER AMP IN jack
Audio cable
Remote
microphone
Remote
microphone
24 V DC
Power
supply
24 V DC
Power
supply
24 V DC
Power
supply
Remote
microphone
Remote
microphone
Master VM
amplifier
Sub-VM
amplifier
a
b
c
d
e
LINK connector (RJ45)
Category 5 STP straight cable*
PRE OUT jack
POWER AMP IN jack
Audio cable
Remote
microphone
Category 5 STP straight cable
Category 5 STP cable: 93.8 Ω/km or less
Up to 800 m via Category 5 STP cable
VM amplifier