Hardware Product code Description
Network (Layer 3) processing associated with the
OSI protocol.
SILC circuit card NT6D70AA
NT6D70BA
-48V North American S/T interface line card -40V
International S/T interface line card
UILC circuit card NT6D71 U interface line card
Terminating resistor A0378866 Terminating resistor
PRI circuit card (one
only)
Required for packet data implementation only.
NTRB21 1.5Mb TMDI circuit card with built-in
downloadable D-channel
NTAK09 1.5 Mb DTI/PRI circuit card
NTAK79 2.0 Mb PRI circuit card
NTBK50 2.0 Mb PRI circuit card used with the
downloadable D-channel application
Packet handler Required for packet data implementation only.
DPN-100 DPN-100 packet handler is required for external
packet data implementation only when the
system does not process X.25 packets.
ISDN BRI terminals Required for line applications only.
M5317TDX Proprietary terminal equipped with voice and data
transmission options and a hands-free feature;
supports B-channel and D-channel packet data.
M5000TD-1 ISDN Terminal Adapter provides a connection to
an analog telephone and supports circuit-
switched or packet data; supports B-channel and
D-channel packet data.
Any other terminal deemed compatible by
Avaya.
Terminal adapters Required if connecting non-BRI terminals to the ISDN BRI line
interface.
Network termination Required for conversion from a U to and S/T interface.
ISDN network termination unit (NT1), including
NT1 standard power supply. Two cables are
provided with the NT1 power supply unit:
• 178 mm (7 in.) cable for connection between the
power supply and the NT1 unit
• captive power cord for connection to an AC
power outlet
Configuring ISDN BRI hardware
52 ISDN Basic Rate Interface Installation and Commissioning March 2011
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