Product Support Bulletin 754

BULLETIN MOTOROLA PRODUCT SERVICES

LAND MOBILE PRODUCT SECTOR PSB # 754 A 1307 E. ALGONQUIN RD APC # 448,482,509 SCHAUMBURG, ILL. 60196 Date: FEBRUARY,1996 (708) 576-0180 EXPIRES : 2/28/97

MODELS AFFECTED: T5365A

Subject: QUANTAR/QUANTRO RELATED ISSUES WHEN USED IN MIXED STATION SYSTEMS.

1) RECEIVER VOTING SYSTEM ISSUE.

SYMPTOM: A QUANTAR/QUANTRO STATION WILL NOT OPERATE AS A CONTROL CHANNEL IN A TRUNKED RECEIVER VOTING SYSTEM WHICH USES A CLOCKING RADIO AT ALL SITES.

THE STATION INTRODUCES UNSYNCHONIZED DELAYS IN PROCESSING BOTH THE ISW AND OSW SIGNALS. THE DELAYS IN THE CONTROL CHANNEL PREVENT THE SUBSCRIBER UNITS FROM SYNCHRONIZING TO THE VOICE CHANNEL AND THE CALL WILL BE DROPPED.

2) TYPE 1 SYSTEM ISSUE.

SYMPTOM: A QUANTAR/QUANTRO STATION DOES NOT OPERATE RELIABLY AND MISSES ABOUT 5% OF CALLS AS A VOICE CHANNEL FOR TYPE 1 CALLS IN A MIXED (MICOR/MSF AND QUANTAR/QUANTRO) SYSTEM.

THE DELAYS IN THE VOICE CHANNEL SOMETIMES PREVENTS THE SUBSCRIBER UNITS FROM SYNCHRONIZING TO THE VOICE CHANNEL HIGH SPEED DATA AND THE CALL WILL BE DROPPED.

RESOLUTION TO THESE PROBLEMS IS AVAILABLE IN THE CURRENT RELEASE OF QUANTRO /QUANTAR FIRMWARE VERSION 7.0. PLEASE CONTACT SCHAUMBURG PRODUCT SERVICES TO OBTAIN THE NEEDED FIRMWARE.

AN AUTHORIZED MOTOROLA SERVICE SHOP CAN CHARGE 1/2 HALF HOUR LABOR PER STATION TO INSTALL THE FIRMWARE WHEN REFERENCE IS MADE TO THIS BULLETIN.