Zhone IMACS 8000, Руководство пользователя

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Reference Guide 2-17
System Installation Powering Up the System
2.7 Powering Up the System
After connecting the chassis to the external power sources and making the proper ground
connections, apply power to the chassis. Plug the AC power cord into the associated electrical
outlets, or turn on the external DC power supply. Then, observe the following front-panel
LEDs:
1. The green power LED is lit on the power supply faceplate. If redundant power supplies
are used, this LED is lit on both cards.
2. If AC-to-DC converters are installed, their green power LEDs light.
3. If the ringing generator is installed and power is on, the LED on the front panel of the
ringing generator should illuminate green.
If these LEDs are not lit, first verify that the external power source is providing power to the
chassis, and check the connection between that source and the chassis. Also be sure each card
is firmly seated in its chassis slot.
If AC-to-DC converters are used, also check their jumper settings as previously described. If
all of these conditions are met, replace the card on which the green LED fails to light; that card
is faulty.
2.8 Installing the Other Plug-In Cards
Install the remaining cards into their designated chassis slots.
Cards which have on-board switches or jumpers that must be set prior to insertion into the
chassis have been summarized earlier in this chapter. Further information can be found in the
associated card reference guides for each card.
Common safety practice would be to power off the shelf prior to inserting the Interface card
and CPU card C1 as indicated in following two sub sections.
2.8.1 Interface Cards
Install an Interface Card (8000-IF, 8000-IF+EXT or 8000-IF+MODEM) into the IF slot of the
chassis. Only one Interface card is used in each system. This card provides the connections to
the external user interface control systems, alarm reporting facilities, and T1 and/or E1
networks and system docking.