Page 3-129
Installation
INTER-TEL
®
AXXESS
®
MANUAL VERSION 11.0 – May 2008
Basic Rate Interface Cards (BRS and BRU)
INSTALLATION
3
L. BASIC RATE INTERFACE CARDS (BRS AND BRU)
10.51 Follow these steps to install either type of BRI card, shown on pages 3-133 and 3-134.
Detailed instructions for equipping and programming the ports and circuits are presented after
this outline.
NOTE: BRU cards are not supported in Europe.
Installation Procedure Overview
1. Make sure the Advanced CO Interface is licensed. If this feature is not licensed, the
warning message “Online Ignored for Board - Check Advanced CO Interfaces” appears
in Message Print when the card is installed. If this occurs, upload a software license that
supports the Advanced CO Interface premium feature.
2. Choose a slot and equip it for either a BRS or BRU card using System\Cabinets in DB
Programming. (see page 6-136 in PROGRAMMING)
3. In DB Programming, equip the ports to be either station or trunk ports. Leave unused
ports set to
None.
4. Program the ports for either BRI station or BRI trunks depending on the device being
installed.
5. Program the established BRI station and trunk ports.
6. Program the individual BRI devices.
NOTE: Refer to the manufacturer’s manual for the external device being installed.
7. Program the reference clock information for each of the BRI trunk ports in System\Cab-
inets\Reference Clock List.
8. Install the BRS cards in the selected slot in the equipment chassis, and connect the
external power supply, if required. Also connect the 50-pin Amp connection to the front
of the card and terminate the cable to the MDF (Main Distribution Frame).
9. Jumper J4, in the lower right corner of the board, is a write-protect jumper and does not
need to be installed. However, if it is, it must be over the bottom two pins (locked posi-
tion), as shown in Figures 3-63 and 3-64 on the following pages. If it is not installed or
is over the bottom two pins, the card’s “boot sector” is protected from being overwrit-
ten. The boot sector is the card’s basic code that provides flash programming function-
ality. It does not change from version to version, but may require future upgrades. To
upload boot code, see page 3-177.
10. Install the BRU card in the selected slot in the equipment chassis, and connect the 50-
pin Amp connection to the front of the card, and then terminate the cable to the MDF.
11. Connect the individual BRI devices to the chosen ports.
NOTE: If a BRS or BRU card is installed on a system using CPU 128 or CPU 64, a
Network Clock Card (NCC) must also be installed. If the system uses a CPC, however,
an NCC is not required.
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