Nortel Communication Server 1000M, Installation And Configuration Manual

Page: 113 / 122

Testing ISDN BRI functions Page 113 of 120
ISDN Basic Rate Interface Installation and Configuration
3 Verify that the transmitted data has been received successfully by
checking transmitted information for accuracy. Read the information on
the screen or print it on the local printer.
4 Release the connection.
Packet data transmission
A packet data call can be established between two data terminals over a
B-channel or a D-channel.
B-channel packet data terminals communicate with the packet handler at
64 kbps over dedicated B-channels. The packet handler may be an external
packet handler, the DPN-100, or the integrated MPH. The packet handlers
processes and distributes the data to local terminals for local calls or over the
packet data network for remote calls.
D-channel packet data terminals communicate at a baud rate of up to
9.6 kbps. The packet data is multiplexed onto a 64 kbps B
D t
hat is linked with
the external packet handler through a dedicated ISDN PRI B-channel, or, in
the case of the MPH, through a dedicated connection.
Note: To perform packet data transmission verification, the system must
be connected to a DPN-100, or configured with MPH. Also, packet data
transmission functions must be selected when configuring the B-channel
and D-channel transmission characteristics. Use LD 27 to specify the
packet data transmission functions. See “MISP configuration
procedures” in
ISDN Basic Rate Interface: Features (553-3001-380) .
In addition to configuring the MISP and the DSL in LD 27, ensure the
following:
• the ISDN PRI loop carrying packet data was configured in LD 17
• the packet handler route was specified in LD 16
• an ISDN PRI channel for the packet handler route was configured using
LD 14