Appendix
Aspire Networking Examples
238 â—† Networking
ISDN Networking Examples
ISDN BRI (Aspire M/L/XL Only)
Networking Basic Rate Interface ISDN is supported on all BRI PCB’s (2, 4 or 8 BRIU). Each cir-
cuit of the BRIU PCB can be set independently to Trunk / S0 / Networking mode.
Each circuit set as Networking mode will require 2 of the Networking ports on the system, there are
a total of 26 (Aspire S), 256 (Aspire M/L), or 384 (Aspire XL) Networking ports available.
The example below shows two Aspire systems, each has a BRIU card installed with one circuit set
to Mode 4 for Networking. The two BRIU circuits are cross connected via a 2-pair twisted cable.
Aspire A has extension numbers in the range 300-399, Aspire B has 400-499.
More Than One Circuit Required
If more BRI circuits were added, then Program 10-03-xx would be copied for each new circuit.
Master/Slave Setting
The choice of Master/Slave of each circuit is not important in the example above as there is no
ISDN Network connection to either of the systems.
If System A had an ISDN Network connection (BRI trunk or PRI trunk), then System A would be
the Master for the networking circuits.
If both System A and System B have an ISDN Network connection, then the setting of Master/
Slave is not important.
When the Networking BRI circuit is connected to external equipment, then ensure that the equip-
ment is set to Master (Clock generator) or Slave (Clock receiver) accordingly.
Aspire A Aspire B
Program 10-03 BRI PCB Setup
• 10-03-01 = Mode 4
• 10-03-03 = P-P
• 10-03-10 = Master
• 10-03-11 = 1
Program 10-03 BRI PCB Setup
• 10-03-01 = Mode 4
• 10-03-03 = P-P
• 10-03-10 = Slave
• 10-03-11 = 1
Program 11-01-01 System Numbering
• Dial 3x = 3 digit, Type 2 (Intercom)
• Dial 4x = 3 digit, Type 8 (Networking),
ID=1
Program 11-01-01 System Numbering
• Dial 3x = 3 digit, Type 8 (Networking),
ID=1
• Dial 4x = 3 digit, Type 2 (Intercom)
2-pair twisted cable
Aspire A
Aspire B
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