Parts and functions
Note: Port ①～⑥indicators do not function with GM-143 RJ-45 unlockable versions ( ). To
operate the locking port ( ) connection, please refer to P.6.
Advisory
1.DO NOT TURN ON the power of the GMC-60 convertor before all network cables are all
connected and installation is completed.
2.The network cable Cat.5e / Cat.6 UTP has to meet TIA/EIA-568-B.2 standards with copper
wires of 24AWG-1/0.49A*4P (CM/UL).
3.To achieve best performance and stable functionality, it’s recommended to use standard
CHIAYO CAT.5e network cables which are available in 2M, 5M and 10M length.
Do not use cables of unknown origin because they will cause unexpected system
abnormalities.
4.The chairman unit GM-243C can be located anywhere in the loop.
5.This conference system may consist of up to 120 units with max two GM-243C chairman units.
6.To prevent feedback noise, please adjust the GAIN knob to control the sensitivity of the
microphone, and set a proper output volume on the amplifier or mixer before operating the
system.
7.If it’s necessary to DIY cables, be sure to examine them with RJ-45 cable tester until they are
no problem before installation.
