Lenovo 3719, 3821, 3822, 3823 manual Serial port problems

Models: 3719 3822 3823 3821

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vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee Chapter 8, “Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823,” on page 237 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

 

 

The server unexpectedly shuts

See “Solving undetermined problems” on page 124.

down, and the LEDs on the

 

operator information panel are

 

not lit.

 

 

 

Serial port problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee Chapter 8, “Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823,” on page 237 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

 

 

 

 

The number of serial ports that

1.

Make sure that:

are identified by the operating

 

v Each port is assigned a unique address in the Setup utility and none of the

system is less than the number

 

 

serial ports is disabled.

of installed serial ports.

 

 

 

v The serial port adapter (if one is present) is seated correctly.

 

2.

Reseat the serial port adapter.

 

3.

Replace the serial port adapter.

 

 

 

 

A serial device does not work.

1.

Make sure that:

 

 

 

v The device is compatible with the server.

 

 

v The serial port is enabled and is assigned a unique address.

 

 

v The device is connected to the correct connector.

 

2.

Reseat the following components:

 

 

a.

Failing serial device

 

 

b.

Serial cable

 

3.

Replace the following components one at a time, in the order shown, restarting

 

 

the server each time:

 

 

a.

Failing serial device

 

 

b.

Serial cable

 

 

c. (Trained service technician only) System board

 

 

 

 

74ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual

Page 82
Image 82
Lenovo 3719, 3821, 3822, 3823 manual Serial port problems