Design Reference

4450GSX-PWR+
- Maximum: 164.6 W
• With PoE+
- Typical power utilization depends on the number
of ports using PoE+.
- Maximum: 553.4 W
Thermal Rating 508 BTU/hr maximum
Inrush Current 70 A maximum
Turn on Condition 1 second maximum after application of AC power
Efficiency 70 percent minimum
Important:
12–volt output rise time, from 10 to 90 percent, must be the maximum of 50 ms and monotonic under
all defined input and output conditions.
DC power specifications
The following table describes the DC power supply specifications for the 4850GTS-DC and the
4450GSX-DC models.
Table 5: DC power specifications
Specifications
4850GTS-DC 4450GSX-DC
Input current 25 A 25 A
Input voltage 12 V DC 12 V DC
Power consumption • Typical: 94.6 W
• Maximum: 140 W
• Typical: 116 W
• Maximum: 164.6 W
Thermal rating 323 BTU/Hr 508 BTU/Hr
VSP 4000 power supply power specification
The VSP 4000 supports two external field-replaceable power supplies. One power supply ships with
the chassis. You can install a secondary power supply to provide redundancy and load sharing, and
to add Power over Ethernet Plus (PoE+) power budget on PWR+ models.
For Avaya VSP 4000 AC and DC power supply order codes, see Platform power supplies on
page 18.
1000 W AC power supply
VSP 4000 PWR+ model (4450GSX-PWR+) supports dual 54 V 1000 W PoE+ AC power supplies.
Important:
Ensure that you use only 1000 W power supplies (both primary and secondary) on VSP 4000
PWR+ models.
Platform considerations
December 2014 Network Design Reference for Avaya VSP 4000 Series 21
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