Black-box 5000 User Manual download pdf (Page 38)

Multiserver 5000

On the front of the unit is a liquid-crystal display

(LCD). After the unit completes its internal tests,

the clock will start and the LCD will display a

message.

The LCD backlight will also flash. This indicates

that there is alarm message, probably Local Link

reset A1. This means that the default link

channel has been reset. The backlight will

eventually time out. See Section 13.1, General

LCD/Keypad Information if you wish to stop the

backlight from blinking before it times out.

4.5 Checking the CCM Indicators

Once the self-test has been completed, the CCM

indicators on the front of the unit should display AT

on and BO off. The indicators for port A1 will be

flashing, unless it is correctly attached to an

interconnect link. The indicators for ports A2 to A6

will probably be off, though any or all may flash.

This will depend on how each of the ports is

configured. Figure 4-7 shows the most-probable

status of your indicator lights when you power-up

the Multiserver for the first time.

If the CCM indicators are lit differently:

• Refer to Table 4-1 on the next page for indicator

interpretation,

• Check that the CommPak cartridge is fully

seated, and

• Make sure that the wall outlet is operational.

LCD DISPLAY

Multiserver 5000 Time: 00:01:23

Figure 4-6. Default LCD message after power-up.

LED on

LED off

LED blinking

CCM indicators

AT BO A6 A5 A4 A3 A2 A1

Normal Status

On Power Up

Key:

A1-A6 = port numbers

BO = buffer overflow

AT = active mode

Figure 4-7. CCM indicators at the time of power-up.

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Black-box 5000 User Manual Page 38

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