Troubleshooting and Repair
025-9416
127
Software Step
LEDs
Light Activity
ACT
on for pulse and during DTMF digit decoding
ANS
on for trunk answer
blinks for DID DTMF
Active telco call
active trunk (A-D):
LINE, ANS
solid on
ACT
on when receiving FROM TEL audio
Active paging
ANA PTT
on when transmitting paging tones or voice
DIG PTT
on when transmitting binary digital paging data
BUSY
on if radio station is already active (in cross-busy
applications)
Modem ZLINK
active
MODEM
solid on or rapid flickering during modem data transfer
between PC and Model 640
short flashes every 3 seconds when link is active, but
data is not transferring
Local ZLINK active
COM
solid on or rapid flickering during serial data transfer
between PC and Model 640
short flashes every 3 seconds when link is active, but
data is not transferring
PROGRESS TONES
The progress tones output by the Model 640 provide valuable clues about the paging process. If
the system operator is familiar with the tones, troubleshooting the paging terminal is vastly
simplified. Table 22 describes each progress tone issued by the paging terminal and when it
plays.
Table 22. Troubleshooting Progress Tones
Audible Tones
Frequencies
Cadence
Indicated Activity
beep
1000 Hz
700 msec
Prompt to enter pager # for end-to-end or
voice message
ring
440 + 480 Hz
on - 2 secs
off - 2 secs
Connecting to terminal, please wait
di di dit
1000 Hz
di - 50 msec
off - 50 msec
Prompt to enter a numeric display message
or FunctionCode
dah di di di dit
1000 Hz
dah - 250 msec
off - 35 msec
di - 35 msec
Prompt for subscriber’s SecurityCode
Содержание 640 DAPT XTRA
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Страница 197: ...Parts Lists and Schematics 025 9416 185 COMPONENT LOCATIONS Dual Dial Click 702 9119C Dual MF 702 9197D 1...
Страница 198: ...Parts Lists and Schematics 186 025 9416 RAM Disk 702 9386B ROM Disk 702 9389B...
Страница 199: ...Parts Lists and Schematics 025 9416 187 TNPP Interface 702 9362C 2...
Страница 200: ...Parts Lists and Schematics 188 025 9416 Terminal Block Adapter 702 9470B...
Страница 201: ...Parts Lists and Schematics 025 9416 189 CONFIGURATION DIAGRAMS Dual Trunk Telco DID 024 0076A...
Страница 202: ...Parts Lists and Schematics 190 025 9416 Dual Trunk Telco End to End 024 0077A...
Страница 203: ...Parts Lists and Schematics 025 9416 191 Dual Trunk Telco E M 024 0078A...
Страница 204: ...Parts Lists and Schematics 192 025 9416 Dual Trunk Telco Ground Start 024 0079A...
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