9.2.8 UF-RS-485 card
The UF-RS-485 card converts RS-232 signal to RS-485 signal to ensure UPS networking and communication. It is to be
installed in an Intellislot port of the UPS. See Table 9.1 on page155.
Figure 9.7 UF-RS-485 Card
Item Description
1 Goldfinger
2 RJ-45 port 2
3 RJ-45 port 1
4 Installation hole (2 PCS)
The gold finger is used for insertion into the Intellislot port of the UPS. It provides RS-232 input signal. The RJ-45 port 1 and
RJ-45 port 2 are in parallel connection. They provide RS-485 output signal.
Installing the UF-RS-485 Card:
NOTE: The UF-RS-485 card is hot pluggable, install it without shutting down the UPS.
WARNING! The RJ-45 ports of the UF-RS-485 card must connect to SELV circuit. Failure to observe this could
cause damage to the card and even result in safety accidents.
WARNING! The connecting cable of the UF-RS-485 card and the external equipment must be a double end
shielded cable.
CAUTION: Some electronic components on the UF-RS-485 card are quite sensitive to static electricity. To
prevent static electricity from damaging the card, do not touch its electronic components or circuits. Hold
the card by side edges of the UF-RS-485 card when moving or installing it.
1. Remove the Intellislot port cover on the front panel of the bypass module.
NOTE: Preserve the port cover for future use.
2. Align the UF-RS-485 card with the Intellislot port.
3. Insert the card into the port UPS along the grooves on both sides of the port.
162 Proprietary and Confidential ©2023 Vertiv Group Corp.
9 Vertiv™ Liebert® APM2 Option
Configurations
Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual
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