Specifications
50003510
Revision A
221
Typical configured system quantities as per ATT 48002 are:
Receiver Provisioning
This section provides receiver requirements for DTMF and CLASS receivers. DTMF receivers
are a shared system resource with provisioning done on a system level. CLASS receivers are
dedicated to the modules on their associated SX-200 SPINE.
The MCC contains seven receivers which can be programmed as DTMF receivers or as DSP
circuits in System Option 68, DSP DTMF Receiver Channels (0...7 default = 7) to optimize
performance.
Seven SX-200 SPINE CLASS/DTMF receivers can be allocated as CLASS or DTMF, with a
maximum of five CLASS receivers (default is three CLASS and four DTMF). System Options
61-67 can be selected to optimize performance based on the proportions of ONS to LS/CLASS
modules in each SX-200 SPINE Bay.
DTMF receivers can also be provided by adding DTMF Receiver/Relay modules to a Universal
Card. Each module contains four DTMF receivers.
Calculate receiver provisioning requirements for an SX-200 EL or SX-200 ML system using
the following table.
Light - 10 %
Medium - 50 %
Heavy - 90 %
Lines
Trunks
Lines
Trunks
Lines
Trunks
75
8
75
12
75
19
50
6
50
10
50
15
25
5
25
7
25
10
Calculating Receiver Requirements
Step
Calculation
Result
1.
Calculate the total number of ports that
may require access to a DTMF receiver.
Ports include:
• analog DID trunks
• digital DID trunks
• digital E&M trunks
• ONS ports
• OPS ports
• COV ports
Total ports = ______
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