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All new Avaya MAS units support up to four (4) D/82JCT-U Digital
Set Emulation (DSE) Dialogic boards. For systems that were upgraded
from Release 1, up to five (5) DSE boards might be present in an
MAS with a nonintegrated video and LAN, if five DSE boards were
installed before the Release 2 upgrade. For more information about
installing DSE boards, see the appropriate Dialogic document:
- Dialogic D/82JCT-U (5V bus only): D82JCT-U
(pdf)
- Dialogic D/82JCT-U-PCI-UNIV (universal 5V or 3.3V bus): D82JCT-Univ
(pdf)
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Note: The Dialogic brochures cover more setups than
the ones used for Avaya Modular Messaging. If information
in a Dialogic document conflicts with this Avaya maintenance
document, follow the steps provided in the Avaya documentation.
The Dialogic documentation is provided as a convenience to
help you locate various items on the board, and to verify
cabling procedures.
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To set the jumpers for a new or replacement DSE board:
If more than one card is installed in the system, set the boards
on both ends of the Computer Telephony (CT) bus for bus termination.
Use the P8 jumper to set CT bus termination as shown in
the table below:
| Number of cards |
P8 jumper |
CT bus termination |
|
1
|
OFF |
Do not terminate bus. |
|
2
|
Card 1: ON pins 1 and 2
Card 2: ON pins 1 and 2 |
Terminate bus on both boards. |
|
3
|
Card 1: ON pins 1 and 2
Card 2: OFF
Card 3: ON pins 1 and 2 |
Terminate bus on boards 1 and 3. |
|
4
|
Card 1: ON pins 1 and 2
Card 2: OFF
Card 3: OFF
Card 4: ON pins 1 and 2 |
Terminate bus on boards 1 and 4. |
|
5
|
Card 1: ON pins 1 and 2
Card 2: OFF
Card 3: OFF
Card 4: OFF
Card 5: ON pins 1 and 2 |
Terminate bus on boards 1 and 5.
Note: 5 cards can be present only in an MAS with a
nonintegrated video and LAN. |
See figure Setting D/82JCT-U board CT
bus termination.
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