FECO RTC # 3

FECO: RTC # 3
MODIFICATION No: RTC /2
PRODUCT: HPS 79XX
SUB-ASSEMBLY N/A
ESTIMATED MAN HOURS N/A
CLASS OF CHANGE: INFORMATIONAL
REASON FOR CHANGE: MANDATORY ON REWORK OR DURING COMMISSIONING

Reason for change

When installed as a part of a larger network, new style RTCS sometimes hang or stop other RTCS from configuring.

Change

Install a jumper from rp4 pin 18 to u41 pin 25.

Testing

Install RTC and test for functionality.

Recording action

Afix a modification label adjacent to the serial number plate. Strike through but do not obliterate - 2

This feco is only effective on existing stock. All new product received after 15th january 1995 will be already modified and identified as revision h (db 25 only).

(tech serv ref 4/1/1)

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