Legend.
A Slot for optional communication cards.
B USB port.
C USB port.
D Slot for memory card.
E LAN RJ45 connector for Ethernet.
F Serial RS232 connector for CIM.
G Serial RS232 connector for Modem.
H Cable for power supply and communi-
cation signals
I Power connections.
Q1 Input switch (MAINS).
Q3 Output switch.
Q4 Auxiliary mains Input switch
(AUX MAINS).
Q5 Output manual maintenance bypass
switch.