Nortel Remote Office 9150 Installation And Administration Manual page 465

March 2000
Remote Office 9150
System expansion worksheet
Number of trunk interface modules needed (continued):
13 Calculate the number of B-channels required for both local- and host-controlled
calls. Add lines 11 and 12.
If the result is greater than 8, then call blocking must be implemented, or the
number of simultaneous local calls must be reduced.
Recalculate lines 8, 11, 12, and 13.
14 Calculate the number of trunk interface modules required for local calls.
Divide line 13 by 2. If the result contains a fraction, round it up to the
next whole number.
Line 13: __________ / 2 = ____________
15 How many trunk interface modules are already installed in the
Remote Office 9150 unit?
16 Calculate the number of trunk interface modules you need to purchase.
Subtract line 15 from line 14.
Note: A maximum of four trunk interface modules can be installed in the
Remote Office 9150 unit.
Number of DSP application modules needed:
17 Each DSP application module can support up to eight simultaneous calls over
the IP network.
Divide line 8 by 8, and then round up the result to a whole number.
Line 8: _____________ / 8 = ______________
18 Record the number of DSP application modules already installed.
Note: The Remote Office 9150 unit ships from Nortel Networks with one DSP
module already installed. Your response here must include that module.
19 Calculate how many DSP modules you need to purchase.
Subtract line 18 from line 17.
Note: A maximum of three DSP application modules can be installed in the
Remote Office 9150 unit.
Installation and Administration Guide
Planning forms
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