5. Installation System Manual
Page 2-60 8/09 76.7300FP11/2, Rev A
Connecting the DC Power Cable From the AC Power Converter Tray (Tellabs
7325 Switch)
5.46 The Tellabs 7325 Switch always contains two Power Supply Units.
__ 1. Connect the DC power cable to the connector on the 7325 PSU
located in the lower slot and connect the second DC power cable to
the connector on the 7325 PSU located in the upper slot. Secure the
DC power connector to the 7325 power supply. Refer to Figure 5.15,
page 2-60.
Figure 5.15 Location of PSUs in Tellabs 7325 Switch
__ 2. If only a single Power Converter is installed in the Tray, connect the
DC power cable to the connector on the 7325 PSU. Secure the DC
power connector to the 7325 power supply.
__ 3. Connect the AC power cables to a suitable AC power source. Verify
that the PSU Active/Standby LEDs are green.
Note: To service the Power Converter, the switch must be powered down and
the Power Converter Tray removed from the rack. Refer to step 5,
page 2-63 for procedures to power down the switch before disconnecting
the AC power source from the Power Converter(s).
Connecting the DC Power Cable From the AC Power Converter Tray (Tellabs
7345 Switch)
5.47 The Tellabs 7345 Switch may contain either one or two Power Supply
Units.
__ 1. If a single PSU is installed in slot 6 of the Tellabs 7345 Switch and two
Power Converters are installed in the Power Converter Tray, connect
one of the DC power cables to the UB1 connector and connect the
second DC power cable to the UB2 connector on the 7345 PSU
located in slot 6. Secure the DC power connector to the 7345 power
supply. Refer to Figure 5.16, page 2-61.
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