Verilink DIU 2131 (880-502765-001) Product Manual Manual de usuario descargar pdf (Pagina 22)

Diagnostics and Troubleshooting

4-2 Verilink User Manual

•

Flashing Green:

DIU is accessed by a node controller

thumbwheel switch operator. Both the PORT 1 and PORT 2

STAT LEDs flash green during this time.

•

Solid Green for 6 Seconds, then 2 Flashes of Red (repeated):

This

indicates that there is a loss-of-signal on the data port.

•

Solid Green for 6 Seconds, then 3 Flashes of Red (repeated):

This

indicates that the DIU 2131 has a low battery. This alarm will

only be displayed by both STAT LEDs.

•

Lit Red:

DIU is faulty or problem in equipment connections.

Replace the DIU.

•

Lit Yellow:

Associated data channel is under test by an operator

(a test signal is being applied by the DIU).

•

Flashing Red:

Power-up self test failure. Could indicate an

incorrect rear connector module has been installed.

•

Flashing Red and Yellow:

DIU has failed an operator-initiated data

channel test.

•

Not Lit:

DIU is not powered up (power is lost).

Figure 4-1 DIU 2131 Controls and Indicators

2131

DIU

LOOP

STAT

DATA

PORT 1

NEAR

END

FAR

END

LOOP

STAT

DATA

PORT 2

NEAR

END

FAR

END

Data Port 1

Loopback and

Status LEDs

Data Port 2

Loopback and

Status LEDs

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 30 31

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Verilink DIU 2131 (880-502765-001) Product Manual Manual de usuario Pagina 22

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