ADTRAN TSU 120e user manual DSU/DSX Status, Module Status

Models: TSU 120e TSU 120

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Chapter 3. Operation

DSU/DSX Status

The DSU/DSX status LEDs display the operational condition of the Nx56/64 and DSX-1 parts included in the TSU 120. It also reflects the status of the DBU in the TSU 120e.

OK (GREEN) Indicates the operation is in the normal mode

 

and no errors have been detected.

TEST

Indicates that one of the interfaces is operating

(YELLOW)

in a test mode. This includes a self-test or a test

 

loopback. When lighted, this LED also indicates

 

that normal data flow is not occurring in at least

 

one of the module ports.

ALARM (RED) Indicates an alarm condition has been detected. When the alarm condition is no longer valid, the OK LED activates (turns on). To view an alarm condition, select the active alarm menu item or select Alarm by pressing Shift+8. If the alarm conditions have been corrected, the alarm which caused the activation of the Alarm LED can be viewed under the Unit History Menu.

Module Status

The module status LEDs display the operational condition of ports installed in the option slots.

OK (GREEN) Indicates the operation is in the normal mode

 

and no errors have been detected.

TEST

Indicates that one of the interfaces is operating

(YELLOW)

in a test mode. This includes a self-test or a test

 

loopback. When lighted, this LED also indicates

 

that normal data flow is not occurring in at least

 

one of the module ports.

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TSU 120 User Manual

61202129L1-1

Page 42
Image 42
ADTRAN TSU 120e user manual DSU/DSX Status, Module Status