NEC Express5800/320Ma Bedienungsanleitung PDF herunterladen (Seite 94)

Replacing or Installing a Modem Assembly

5-48 Express5800/320Ma: Operation and Maintenance Guide

Installing a VTM

1. Install the VTM firmware on the system disk:

a. Insert the Express5800/320Ma VTM Firmware Update CD in the CD or DVD

drive.

b. In the VTM Firmware Setup message box, click OK.

2. If necessary, perform the following steps:

a. Remove the CPU-I/O enclosure.

b. With the enclosure on a stable, flat surface, remove the enclosure cover.

c. Gently push any power cords from the PSU aside to expose the VTM slot.

d. Ensure that the two white levers on the VTM slot are open (number 1 in

Figure 5-30).

3. Holding the new VTM by its edges, insert it into the slot. The VTM is keyed to fit

correctly. Press the VTM straight down firmly until it snaps into place.

4. Ensure that the white levers are in the locked (fully upright) position and that the

VTM is firmly seated in its slot. If necessary, remove the VTM, reset the levers, and

repeat step 3.

5. Replace the enclosure cover.

6. Replace the CPU-I/O enclosure.

Replacing or Installing a Modem Assembly

The modem assembly is located on the system backplane assembly. You can remove

the modem to install a replacement, or you can install the modem for the first time, as

described in the following sections:

• “Removing a Modem Assembly”

• “Installing the Modem Assembly” on page 5-50

Estimated time: Ten minutes.

Tools: ESD strap and a #2 Phillips head screwdriver.

CAUTION

When you replace or install a modem assembly, you must

turn power to the modem connector off to prevent damage

to the modem and the system. You can use a modem

control program (as described in the following

procedures) to change the power state of the modem

while the system remains online. Otherwise, you must

shut down the system and remove the power cords.

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NEC Express5800/320Ma Bedienungsanleitung Seite 94