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SX-200 General Information Guide
222 Revision A 50003510
SX-200 SPINE CLASS Receivers
The table below can be used as a guideline to determine CLASS receiver requirements. This
receiver provisioning is based at the SX-200 SPINE level.
If a CLASS receiver is not available, the call is not dropped, although the calling line information
is lost. Users may determine their own level of urgency on this calling line information when
determining their receiver requirements.
2. Determine the expected traffic level for
your system and select the appropriate
divisor:
• very heavy traffic (ACD / internal
auto attendant)15
• heavy traffic 20
• medium traffic25
• light traffic 30
Divisor = ______
3. Divide the total ports from step 1 by the
divisor in step 2. Round the answer up to
the next whole number. This is the total
number of DTMF receivers required.
Total DTMF receivers
required = ______
4. If SPINE bays are present, determine the
number of available DTMF (non-CLASS)
receivers (set by System Options 61 - 67)
on the SPINE Control Modules.
Available SPINE
DTMF receivers = ______
5. Add the number of available SPINE
DTMF receivers (step 4) to the number of
receivers on an SX-200 EL or SX-200 ML
MCC (set by System Option 68) to
determine the total number of already
available receivers.
Total available DTMF
receivers = ______
6. Subtract the total available DTMF
receivers (step 5) from the total DTMF
receivers required (step 3) to determine
the quantity of additional DTMF receivers
required.
Additional DTMF receivers
required = ______
7. Divide the additional receiver requirement
(step 6) by 4 (round up to the next whole
number) to determine the number of
receiver modules required.
DTMF modules required = ______
Note: Receiver modules require a
Universal Card which holds up to 4
modules.
Calculating Receiver Requirements (continued)
Step Calculation Result
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