user manual

ND-20292
CHAPTER 3
APRIL,1990
\SPKR -
KEY FUNCTION (OFF LINE)
ON/OFF Line
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TEL # - Selects new port device information
m Increments port device number
CLEAR - Clears error count number
ENTE
R - Enters the clear command
IB/W -
Decrements wrt device number
GUIDE TO FEATURE PROGRAMMING
inEMORY BLOCK BEING MEMORY BLOCK THAT MEMORY BLOCK THAT MAY
‘ROGRAMMED
MUST BE PROGRAMMED
HAVE TO BE PROGRAMMED
5B4 //
CPU-EB3 or higher.
NOTES:
1. During step 3, the terminal error count device is
displayed as xxx on the bottom row of the LCD.
Up to 255 errors can be displayed.
2. After depressing the CLEAR key and then the
ENTER key, the number of terminal errors are
cleared.
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Fll
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GENERAL INFORMATION - TERMINAL CHECK
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i This area of the memory block is used to record erroneous PRW’s of port devices including ESI-EA and i
f ESI-EB ETUs.
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i This information checks whether the communication between each terminal and its corresponding interface i
i card is stable. An erroneous PRW will also register when the terminal is unplugged.
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300-247