Connecting BRI Lines to the Quad BRI Network Adapter
You can connect as many as four lines to the Quad BRI card. If you use fewer than four lines,
connect them to the card in the order described in this table:
IMPORTANT NOTE:
IMPORTANT NOTE:
IMPORTANT NOTE:
IMPORTANT NOTE: BRI ports on the Vista are numbered 1 – 4, from right to left
right to left
right to left
right to left.
Number of BRI Lines
Quad BRI Ports Used
1
1
2
1 and 2
3
1,2 and 3
4
1,2,3 and 4
ISDN setup is not complete until ISDN DN (Directory Number) and, if required, SPID (Service
Provider ID) settings are configured.
After the settings are properly configured and the system is restarted, the green LED for each line
that is connected should be constantly on. If the LEDs flicker, or do not show a constant On light,
the ISDN service must be checked.
PRI Connections
T1/E1 PRI
The PRI network adapter supports T1 or E1 network connectivity, depending on the factory setup.
The board includes a CSU interface for connection directly to a PRI line. The board includes an
IMUX, enabling you to achieve higher line rates by multiplexing up to 23 B channels (T1), or 30
channels (E1) when used in PRI mode.
The illustration below shows the back of the Vista with a PRI network adapter card installed:
Vista With T1/E1 PRI Network Adapter Card Installed
Setup is not complete until ISDN or Dedicated settings are configured in the VCS software.
After the software is configured, the LED should be constantly glowing green to denote
connectivity. If the LED is red, the T1 service must be checked.
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