eircom advantage 4800

eircom advantage 4800 System Installation
2.5.3 Installing the 30B+D ISDN Primary rate access (PRA) module
Advantage 4800
4 ISDN Line Card
Item Code:
Power
Applications
Extensions
2 2
Extensions
1
ADSL
Lines 2
Lines 1
6 5 4 3 2 1
T5
T1
The ISDN PRA Line module provides thirty (30) separate b-channels across the one access.
This line module can only be installed in either Slot 1 or Slot 2 of the system as shown above.
Slot 1 slot provides 30 separate b-channels for the RJ45 Connector marked T1 on the MDF
or
Slot 2 slot provides 30 separate b-channels for the RJ45 Connector marked T5 on the MDF
To install the ISDN PRA Line Module:
1. Ensure the System is powered down.
2. Press the sliding plate to the down position and remove the Plastic Slot cover for that slot.
3. Align the Module into the designated slot, pushing firmly until the module is fully inserted.
4. Return the sliding plate to the up position thereby securing the Module into place.
Before powering up the system, ensure that the jumpers on the MDF for the particular Primary
Rate line are removed from the header on the MDF (See below).
On powering up the system the top LED on the Module will light indicating that the system has
successfully interfaced with it.
Jumper
JP1, JP2
JP9, JP10
Function
Attaching the 2 pin jumper to the upper 2 pins of the 3 pin header
inserts the 100 Ohm resistor into each leg of the T1 Interface.
These should be removed for PRA Operation
Attaching the 2 pin jumper to the upper 2 pins of the 3 pin header
inserts the 100 Ohm resistor into each leg of the T5 Interface
These should be removed for PRA Operation
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