Chapter 8 Options 67
APM 300 Integrated UPS Single Module And Parallel System User Manual
b) Align the relay card with the Intellislot port, insert the relay card into the port along the grooves on both
sides of the port.
c) Fix the relay card through the fixing holes on the relay card panel with the screws obtained in step 1.
3. Connect the cable.
You can select an optional cable according to your needs, or make the cable according to Table 8-2 and
Figure 8-5
~
Figure 8-7. Connect the cable end with a DB25 male connector to the DB25 connector of the
relay card, and the other end to the user equipment.
Warning
1. The DB25 connector must connect to SELV circuit. Failure to observe this could cause damage to the relay card and
even lead to safety accidents.
2. The external equipment must meet the electrical parameter requirement in Table 8-2, failure to observe this could
cause damage to the dry contact output terminal.
Troubleshooting
See Table 8-4 for the troubleshooting of the relay card.
Table 8-4
Troubleshooting
No.
Problems
Action to take
1
The dry contact output signal does not change with
the UPS status
Verify that the relay card is properly inserted into the
Intellislot port
2
The UPS does not respond to the UPS turn-on dry
contact input signal
Verify that bit 8 of the DIP switch of the relay card is
placed in the 'ON' position
8.2.6
UF-RS485 Card
The UF-RS485 card converts RS232 signal to RS485 signal to realize UPS networking and communication. It
should be installed in an Intellislot port (see Table 8-1) of the UPS. It is hot pluggable for easy installation.
Appearance
The appearance of the UF-RS485 card is shown in Figure 8-9.
Installation hole (2 pcs)
Goldfinger
RJ45 port 2
RJ45 port 1
RJ45 port 2
RJ45 port 1
Installation hole (2 pcs)
Goldfinger
Figure 8-9
Appearance of UF-RS485 card
The gold finger is used for insertion into the Intellislot port of the UPS. It provides RS232 input signal. The RJ45
port 1 and RJ45 port 2 are in parallel connection. They provide RS485 output signal.
Installation
Note
1. The UF-RS485 card is hot-pluggable, so you can install it without shutting down the UPS.
2. Some electronic components on the UF-RS485 card are quite sensitive to static electricity. To prevent static
electricity from damaging the card, do not touch its electronic components or circuits with hands or other live objects.
Please hold the side edges of the UF-RS485 card when moving or installing it.
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