aculab Prosody X Installationshandbuch - Seite 16
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PSU On/off
Switch and LED
PSU Retaining
Screw
Figure 2-4 AC Power Supply switches and retaining screws
PSU On/off
Switch and LED
PSU Retaining
Screw
Figure 2-5 DC Power Supply switches and retaining screws
The replacement power module should be fitted in the following sequence:
1. Push the new unit into place, ensuring it is initially switched off
2. Fit the retaining screw
3. Fit the power cord (AC) or wire pair (DC)
4. Turn the power supply on
5. Re-connect the previously isolated supply voltage
The replacement power module LEDs, front and rear should now come on.
2.4
Moving an installed Prosody X 1U HA chassis
A Prosody X 1U HA chassis should not be moved while operating. If a Prosody X 1U
HA chassis has to be moved, the power must be disconnected to prevent equipment
damage or risk to operator safety. Please follow the application specific system
shutdown procedure prior to powering down an operating Prosody X 1U HA chassis.
2.5
Basic fault finding
The following list provides examples of possible reasons for the unit not operating
correctly.
Symptom
Unit does not power up
E1/T1 trunk non-
operational
No Prosody X IP
communication
16 of 25
PSU On/off
Switch and LED
PSU Retaining
Screw
PSU On/off
Switch and LED
PSU Retaining
Screw
Check power cabling and fuses.
Check layer 1 information. Possible cable
disconnection, network/user protocol configuration or
incorrect TDM clock recovery/synchronisation
configuration.
Check cabling and IP address.
Possible cause