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4.2 Configuration of the PABX
The PABX connected to a SmartCell device must be properly configured in
order to operate. The table below describes the configurations. For more
detailed information regarding the programming of the PABX, please contact
your PABX supplier.
PBX ISDN Interface Definitions
(for normal connection)
Description
Comments
1
Define the ISDN interface (TE point
reference, point to point with TEI=0.)
Required
2
On LCR (Least Cost Routing) enabled
systems, set the CLI programmed to
identify cellular prefixes.
Optional SmartCell 212/112
becomes transparent to internal
callers.
3 Use
only
the
original ISDN cable (straight) Required to insure proper
operation.
4.3 RJ-45 Connector Pin Layout
NT Side
TE Side
PIN #
Function
1
NC (not connected)
NC (not connected)
2
NC (not connected)
NC (not connected)
3 RX
(A)
TX
(A)
4 TX
(A)
RX
(A)
5 TX
(B)
RX
(B)
6 RX
(B)
TX
(B)
7
NC (not connected)
NC (not connected)
8
NC (not connected)
NC (not connected)
In order to avoid damage, do not use the reserved pins.
