Optional Equipment Installation
025-9416
109
q
7.
Power-up the unit and let it complete its boot sequence (all lights have extinguished,
except the READY LED is on solid).
q
8.
Access the Model 640 database and edit the Dial Click database to enable the option.
Then edit the Trunks database to enable the option on the desired trunk. Refer to the
Model 640 Operating and Programming Manual
(Part No. 025-9417) for details on
how to edit these databases.
q
9.
After the databases have been setup, reboot the Model 640 to initialize the dial click
option.
q
10.
Follow the procedure below to adjust the dial click pots.
Level Adjustment
This procedure sets up the dial click decoder for the specific phone line. The following test
equipment is required for the adjustment:
•
Touch-tone telephone
•
Rotary dial telephone
•
Phone cord “Y” connector for 2 telephones
•
Extender Card (Part No. 705-9431)
Note:
The audio levels recognized by the dial click card depend only on the adjustment pots
(R6, R30). The FROM TEL pot on the trunk card has no effect on dial click decoding.
Follow the steps below to adjust the dial click levels:
q
1.
Connect the two telephones together with the Y connector into the same trunk of the
Model 640.
q
2.
Call into the paging terminal with the touch-tone phone and access a tone+voice
pager previously programmed with lots of voice time (for example, 60 seconds).
q
3.
During the voice recording time, pick up the rotary telephone and hang-up the touch-
tone telephone. Be sure to hang-up, otherwise unwanted noise and phone line loading
may change the sounds of the “clicks.”
q
4.
Start dialing digits while adjusting the appropriate pot on the dial click card. R6 is
located at the top of the card and defines trunk A/C. R30 is located at the bottom of
the card and defines trunk B/D.
Begin the adjustment from the fully counter-clockwise position and rotate the pot clock-
wise until the light on the card blinks consistently with each dial click (two blinks for
each click).
Optimum adjustments vary, and software settings should be re-checked. (Typical pot
setting
≈
midrange.)
q
5.
Once the card is adjusted, power-down the Model 640.
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...
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