COMBA CriticalPoint BBU V2 Handbuch zur Schnellinstallation - Seite 9
Blättern Sie online oder laden Sie pdf Handbuch zur Schnellinstallation für Konferenz-System COMBA CriticalPoint BBU V2 herunter. COMBA CriticalPoint BBU V2 11 Seiten. Annunciator panel
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Troubleshooting
If annunciator does not power on or does not appear in BBU GUI after wiring has been confirmed, use a multimeter to
check the following pins for resistance and voltage according to the below instructions.
BBU Control Board Measurements (note BBU version when testing)
1. Turn on the BBU
2. Measure voltage from 1->3 and 2->3
1 to 3
2 to 3
1. Turn off the BBU
2. Unplug the three-wire jumper (V1 BBU) or disconnect the three data wire (V2 BBU) on the BBU control board
that feeds the annunciator panel
3. Measure the resistance from 1->3, 2->3, and 1->2
1 to 3
2 to 3
1 to 2
©2021 Comba Telecom. All Rights Reserved.
568 Gibraltar Drive, Milpitas, CA 95035 | +1 408 526 0180 Ext 3 |
BBU V1
~ 450 Ohms
~ 450 Ohms
~ 50 Ohms
BBU V1
~ 1.65 VDC
~ 1.65 VDC
1 to 3
2 to 3
1 to 2
www.combausa.com
BBU V2
~ 2.2k Ohms
~ 2.2k Ohms
~ 130 Ohms
BBU V2
9
Version 1.0.4
1.16.23