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3.4 CONNECTION OF THE UPS COMMUNICATION CABLES
3.5 EXTERNAL BATTERY CONNECTION FOR EXTEND MODEL ONLY
1. RS-232 cable provided in accessories can be used to connect the UPS with PC
2. Follow steps below to install SNMP (if purchased):
1. Make sure battery quantity complies with the specs （16/18/20 pieces of 12V bat-
tery in parallel）. Measure the voltage of battery bank after finishing connection
and the battery voltage should be around 192/216/240Vdc.
NOTICE:
1. Don’t mix batteries with different capacity, manufacturers and don’t mix brand
new and old batteries, either.
2. The standard setting of the battery is 20 pcs and battery capacity is 7AH(charge
current is 1A).When connecting with 18 pcs or 20 pcs battery, please start up the
UPS under AC mode, connect to the computer to set up battery number and capa-
city, the UPS will follow battery capacity to distribute charge current automatically
2. The breaker on battery cabinet should be off.
3. Remove the cover of terminals, use multi-meter to make sure there is no DC
voltage at the battery terminals of UPS.
4. Connect battery with positive pole, negative pole and common pole to battery
connector (BAT+, BATN, BAT-), don’t reverse battery connection.
A. Remove the cover of SNMP slot at UPS rear panel and keep it for further use.
B. Insert the SNMP card and tighten the screws
C. Connect the UPS with internet by network cable.
D. Refer to the SNMP manual provided to do SNMP setting.
Fig.3-4 External battery connection
BAT -
Battery
breaker
Negative battery
8(9/10) pieces
Positive battery
8(9/10) pieces
BAT +
Ups connection
terminal block
BAT+ BATN BAT-
BAT-N
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