Reliant Octel 200 and Octel 300 Message Servers PB6001401 - Manual (Page 482)

9-50 Installation and Maintenance Volume
Octel Overture 200/300 Serenade 3.0 PB60014–01
Octel Overture 300 Power-Filter Assembly
The power-filter assembly is a unit that includes a power-entry connection and a power-line
EMI-suppression filter. The power-line filter varies with input power type; for domestic use the input
power is 120/240 Vac, and for international use it is 240 Vac or 48 Vdc.
The power-filter assembly is replaced as a unit. Do not disassemble it in any way.
Caution!
The power-filter assembly is sensitive to static
electricity. Do not attempt the following procedures
without wearing an antistatic wrist strap.
Removing the Power-Filter Assembly from the Octel Overture 300
To remove the power-filter assembly, use the following procedures:
1. Unlock and open the door of the cabinet.
2. Turn OFF the power supply unit.
3. If the message server has an a.c. power source, disconnect the power cord at the power-filter
assembly and set it aside.
If the cabinet is d.c.-powered, remove the cover from the DC filter assembly and disconnect the
wires from the power source at the terminal block mounted on the DC filter assembly.
4. At the rear of the cabinet, remove four screws that secure the top panel to the cabinet. Remove the
panel.
5. Put on an antistatic wrist strap. Connect it to an unpainted portion of the cabinet.
6. Remove the three screws that secure the power-filter assembly to the cabinet.
7. Disconnect the wires from the power-filter assembly that lead to the motherboard assembly and set it
aside.
.
The AC power-filter assembly does not require tools, whereas the DC filter assembly requires
an open-ended wrench to disconnect the wires.
Installing the Power-Filter Assembly in the Octel Overture 300
To install the power-filter assembly, use the following procedure:
1. Connect the wires from the motherboard assembly to the power-filter, as shown in Figure 9-25 and
Figure 9-26, according to the voltage requirement for the message server.
.
When fastening the filter harness to the DC filter assembly, route the connecting wires away
from the sharp edge.
2. Secure the power-filter assembly to the cabinet with three screws.
3. Fasten the top panel with the four screws.