MAINTENANCE
Attendant Console LED
A lighted green Alarm LED on the console indicates the presence of a Permanent System Alarm. The LED flashes with each new alarm. The attendant can press the associated button to cause the LED to light steadily. A lighted red Alarm LED indicates a barrier code violation.
Power Supply LED
A lighted green LED on the power supply indicates normal power operation.
Switches and Test Points
The power switch on the back of the cabinet controls cabinet ac power and should be left in the “On” position (1 = “On”), except when otherwise indicated. The system has no other field accessible switches, fuses, or circuit breakers. The power supply contains its own fuses, but these are not field replaceable.
The test points
System Administration Terminal
The SAT used to administer the system may also be used to read and clear the error log tables. The error log is read by logging on the SAT, selecting the main menu item “SEARCH,” and then selecting the table to be read (that is, Permanent System Alarms, Transient System Errors, or Most Recent System Errors). To log on the SAT and access an error table, refer to the procedures provided in “Error Log.”
Remote Initialization and Maintenance (RIM) Service
Description
The Remote Initial ization and Maintenance Service (RIMS) (R2V1 or R3) provides an AT&T technician remote accessto System 25. Using the RIMS feature, the technic an can do System 25 initialization, ongoing administration, and maintenance. The RIMS port is a logical port on the ZTN129 or ZTN130/ZTNl 42 (R3) CPU/Memory circuit pack:
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