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Chapter 5 COMMUNICATION INTERFACES
This section will introduce the communication features of 93PR UPS.
The communication interface of this UPS is shown as follows:
Figure 5-1: Communication Interfaces
1. Communication expan-
sion slot 1
2. Communication expan-
sion slot 2
3. RS-232 service port 4. Dry contact input
5. Emergency power off
(EPO) and CAN terminal
6. External parallel port 7. External parallel port
8. Battery startup/switch to
bypass
④
: CN12 - This standard function can be used to connect the external alarm signal to the corresponding termi-
nals of the UPS, e.g., smoke alarm or overheat alarm signal. Please use twisted-pair wires to connect the alarm
device and the corresponding UPS terminals. For external alarm signal conguration, please consult Eaton’s ser-
vice personnel.
CN12