Справочник Пользователя для Sun Microsystems SL8500

96154 • Revision K

 Safety xxxvii

Service Safety Door

The optional service safety door is a sliding door that is activated by the maintenance 

key. This maintenance key is controlled only by service representatives and is used 

when a failing component in the front of the library needs to be replaced. 

The service safety door moves either to the left or right, depending upon which 

maintenance lock is opened. When the maintenance key is inserted into its lock and 

turned, the safety door separates the forward maintenance area from the library 

interior. This allows the service representative to safely replace a failing front frame 

component while the library remains fully operational. 

The Service Safety Door is an optional feature for libraries with four HandBots. 

However, it is required for redundant (eight) HandBot operation.

The service safety door moves either to the left or right, depending upon which 

maintenance lock is opened. When the maintenance key is inserted into its lock and 

turned, the safety door separates the forward maintenance area from the library 

interior. This allows the service representative to safely replace a failing front frame 

component while the library remains fully operational.

Interior Lighting

The interior of the library is always illuminated with white LEDs on the ceiling. The 

ceiling of the Customer Interface Module has yellow (hazard) LEDs that flash when the 

library is in service mode and for approximately 10 seconds when the doors are closed 

to alert anyone who may still be inside the library.

SL8500 Servo Power Interrupt

An additional safety feature is the servo power interrupt (SPI). If a library motor is 

determined to be out-of-range, the processor generates an SPI to turn off drive voltage 

to the faulty motor. This prevents a servo runaway condition until the cause of the 

problem can be determined.