Clear-Com Intercom Systems
MR-202/MR-204 Two- and Four-Channel Headset Stations
© Clear-Com Intercom Systems 2000
7
Rev. B
FIGURE 3: MR-202 Intercom Wiring
FIGURE 4: MR-204 Intercom Wiring
9—Option Board Jumpers
The two jumper plugs, P1 and P3, must be installed when optional modules
are not used. When the optional 4-Wire or TW Modules are used, both P1 and
P3 must be removed. Save these jumper plugs for possible future.
Note: The MR-202 and MR-204 will not operate without either these jumper
plugs or the optional modules installed.
2
3
1
MR-202 Intercom
Connector
XLR
Connector
Channel A
Pin 1
2
3
1
2
3
1
MR-204 Intercom
Connector
XLR
Connectors
Channel A
Channel B
Pin 1
2
3
1
2
3
1
Channel C
Channel D
