Riello UPS MultiCOM 301/302 - Manuale (Pagina 31)

- ENGLISH -
- 31 -
I NSTALLATION
I NSTALLATION OF M ULTI COM 301
1. Connect the UPS SERIAL port of the device to the UPS serial port using the cable provided
with the UPS.
2. Connect the null-modem serial cable DB9-DB9 to the SERIAL 1 port.
3. Connect the RS-485 network or DB9-RJ45 serial cable to the SERIAL 2 port.
4. Connect the power supply to the device.
The power supply must be connected to an outlet protected by UPS
I NSTALLATION OF M ULTI COM 302
1. If the UPS is provided with the maintenance by-pass and supply of power to the load must not
be interrupted, activate it by following the instructions in the UPS user’s manual.
2. Switch off the UPS.
3. Take the cover off the expansion slot by removing the two securing screws.
4. Insert MultiCOM 302 in the slot.
5. Put on the cover provided with the MultiCOM 302 and tighten the two screws.
6. Connect the null-modem serial cable DB9-DB9 to SERIAL 1.
7. Connect the RS-485 network or the serial cable DB9-RJ45 to SERIAL 2.
8. Switch the UPS on again and remove the maintenance by-pass (if activated previously).
T YPICAL INSTALLATION
Illustrated below is an example of a typical installation of a MultiCOM 301.