VoIP Server Configuration Examples
VoIP Server Configuration Examples
Below are examples of PC/Server platforms configured with the SigC5561 high
capacity VoIP card. Note that even with maximum DSP load (12 devices) max
power consumption of the SigC5561 card (23W) is still less than PCI 2.2 spec (25W).
| Desktop |
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SigC5561 card installed inside desktop PC
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Desktop backplate |
| 1U Configuration |
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SigC5561 card installed inside a 1U server
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1U server backplate |
| 2U Configuration |
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SigC5561 card installed inside a 2U server
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2U server backplate |
| 1U NEBS Compliant Configuration |
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SigC5561 card installed inside a
1U NEBS server
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1U NEBS server backplate |
| PCIe MotherBoard |
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SigC5561 card
installed into x4 PCIe slot
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PCIe MotherBoard |
| ATCA |
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shown with two (2) SigC5561 modules
and one OC3 STM-1 module installed, functioning
as complete G729 OC3 media gateway | |
Server Recommendations
1. PCI slot in which the SigC5561 card will be used should conform to PCI 2.2
specification. Specifically, the PCI slot should provide 25W power and full-height,
half length PCI card mechanical fit.
2. The server chassis should provide adequate airflow over the PCI expansion area.
At least 50 cfm is recommended for the SigC5561 card.
3. All server fans should be rated to a minimum of 100,000 MTBF.
4. If possible, the power supply should be positioned on the opposite
side of the chassis as PCI expansion area.
5. The server chassis should conform to proper earth/chassis grounding
practices. In particular, signal ground at the PCI slot should not be tied to chassis ground.
The SigC5561 card conforms to GR 1089 regulatory requirements for surge suppression
and isolation; the card expects a separate chassis ground to be maintained from PCI
slot gnd signals and, if applicable, PCI riser gnd signals. The SigC5561 card
implements chassis gnd via mounting hardware and backplate.
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