9-40
Coral IPx 500 Installation Manual
DTMF Receiver (DTR)
9
How many DTMF receiver circuits (DTRs) are required?
To provide adequate DTMF dialing Quality Of Service in the system the number of
DTMF receivers should match the anticipated traffic volume. The following table
provides the amount of DTR ports required for several different DTMF dialing port
sizes.:
This table assumes standard office traffic (medium traffic volume of 0.3Eg
per port). Higher traffic volumes should increase DTMF service accordingly.
Additional DTMF service should be used when features as FlexiCall, IRSS,
Freedom and DISA are used.
.
URC (TBD)
.
Additional DTR cards may be installed in the optional Coral IPx 800X Expansion Cage.
The additional cards include:
These cards are described in the
Coral Service and Peripheral Cards Installation Manual
.
Shared service cards may be installed in any available peripheral card slot in the
optional Coral IPx 800X expansion unit.
Number of DTMF
Dialing Ports
Number of DTR
Receiver Circuits
100
8
500
16
1000
24
2
Additional DTR Circuits in the Main Cage
3
Additional DTR Circuits in the Optional IPx 800X Cage
Card
Description
8DTR
8 circuit DTMF Receiver and decoder card
8DRCF
Includes the following DTR functions, among others:
8 DTR circuit DTMF receiver and decoder
Summary of Contents for Coral IPx 500
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Page 58: ...2 16 Coral IPx 500 Installation Manual Site Inspection 2 NOTES...
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Page 126: ...3 6 Coral IPx 500 Installation Manual Power Supply Test 3 NOTES...
Page 152: ...3 32 Coral IPx 500 Installation Manual Installation Wrap up 3 NOTES...
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Page 184: ...5 14 Coral IPx 500 Installation Manual Protection Devices 5 NOTES...
Page 188: ...5 18 Coral IPx 500 Installation Manual Power Fail PF Transfer Circuits 5 NOTES...
Page 204: ...5 34 Coral IPx 500 Installation Manual MDFipx Units Supplied by the Manufacturer 5 NOTES...
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Page 288: ...6 32 Coral IPx 500 Installation Manual Coral IPx 500M Main Cage Description 6 NOTES...
Page 296: ...6 40 Coral IPx 500 Installation Manual Coral IPx 500X Expansion Cage Description 6 NOTES...
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Page 332: ...7 16 Coral IPx 500 Installation Manual PS500 DC Power Supply Unit 7 NOTES...
Page 350: ...7 34 Coral IPx 500 Installation Manual PS500 AC Power Supply Unit 7 NOTES...
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Page 380: ...8 4 Coral IPx 500 Installation Manual Control Cards 8 NOTES...
Page 404: ...8 28 Coral IPx 500 Installation Manual IMC8 Card Flash Erasable Software Memory Unit 8 NOTES...
Page 412: ...8 36 Coral IPx 500 Installation Manual DBX Card Database Expansion Memory Unit 8 NOTES...
Page 426: ...8 50 Coral IPx 500 Installation Manual CLA Card CoraLINK Adapter 8 NOTES...
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Page 432: ...9 4 Coral IPx 500 Installation Manual Shared Service Circuitry Installation 9 NOTES...
Page 460: ...9 32 Coral IPx 500 Installation Manual Three Way Conference Conference Circuitry 9 NOTES...
Page 490: ...9 62 Coral IPx 500 Installation Manual KB1 KB2 KB3 RS 232E Data Serial Port 9 NOTES...
Page 498: ...9 70 Coral IPx 500 Installation Manual Music Background and Music On Hold M1 M2 9 NOTES...
Page 518: ...9 90 Coral IPx 500 Installation Manual Relay Contacts RLY1 RLY2 RLY3 9 NOTES...
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Page 526: ...10 6 Coral IPx 500 Installation Manual Peripheral Card Installation 10 NOTES...
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