Polycom DOC2237A Hardware Installation Manual page 34

Chapter 2 - Hardware Installation
2-14
To connect the MGC-100 to the ATM network:
The MGC-100 can be connected to an ATM network. The type of connection
being used differs according to the ATM Network Interface card installed in
the MCU.
If an ATM-25 network interface card is installed, connect the 8-pin
RJ-45 connector of the network cable to the NET RJ-45 jack on the rear panel
of the MGC-100.
Figure 2-7: ATM-25 network connection
If an ATM-155 network interface card is installed, first remove the rubber
plug covering the jack. Then connect the fiber optics cable connector to the
jack on the rear panel of the MGC-100.
Figure 2-8: ATM-155 network connection
The ATM network properties must be defined in the Network Services, For more
details, see the MGC Administrator's Guide, Chapter 3.