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Contributor I
Posts: 26
Registered: ‎12-22-2008

AP 85-TX powering options

What are the different powering options we have for AP-85TX?

I am aware that we can use an AC-to-DC power Adapter and a POE injector to power up an AP85. We are looking for an outdoor solution that supports temperature ranges below freezing point and the part numbers for the devices.
Guru Elite
Posts: 21,515
Registered: ‎03-29-2007

Ap85-tx

From the AP85 installation guide:

The bottom of the AP-85TX unit has the following ports and connections:

- The AP is capable of accepting DC power in the range of 8 to 16 VDC. If the AP-85TX is not connected to a PoE source, the AP must be powered via a DC power source. An outdoor rated, two-wire, 8-foot long DC power cable (wiring harness) is supplied with the unit. For proper installation instructions, see "DC and AC Power Cables" on page 28.

- LAN/POE 48 VDC, 350 mA: Also known as a 10/100Base-T Fast Ethernet (RJ-45) port, which is IEEE 802.3 BaseT and 802.3u 100BaseTX compliant. This port supports IEEE 802.3af Power over Ethernet (PoE), accepting 48 VDC as a standards-defined powered device (PD) from a power sourcing equipment (PSE), such as a PoE midspan injector. The AP-85TX also supports SPoE (Serial Power over Ethernet).

The mechanical properties:

Temperature: Operating: -30oC to 55oC (-22oF to 131oF)
Storage: -40oC to 70oC (-40oF to 158oF)
Relative Humidity: 0% to 95% non-condensing
Altitude: 0-3000 m (0-9850 ft)
Survival Wind Speed: 125 mph (201 km/hr)

The part number is AP-85TX


Colin Joseph
Aruba Customer Engineering

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Contributor I
Posts: 26
Registered: ‎12-22-2008

Re: AP 85-TX powering options


From the AP85 installation guide:

The bottom of the AP-85TX unit has the following ports and connections:

- The AP is capable of accepting DC power in the range of 8 to 16 VDC. If the AP-85TX is not connected to a PoE source, the AP must be powered via a DC power source. An outdoor rated, two-wire, 8-foot long DC power cable (wiring harness) is supplied with the unit. For proper installation instructions, see "DC and AC Power Cables" on page 28.

- LAN/POE 48 VDC, 350 mA: Also known as a 10/100Base-T Fast Ethernet (RJ-45) port, which is IEEE 802.3 BaseT and 802.3u 100BaseTX compliant. This port supports IEEE 802.3af Power over Ethernet (PoE), accepting 48 VDC as a standards-defined powered device (PD) from a power sourcing equipment (PSE), such as a PoE midspan injector. The AP-85TX also supports SPoE (Serial Power over Ethernet).

The mechanical properties:

Temperature: Operating: -30oC to 55oC (-22oF to 131oF)
Storage: -40oC to 70oC (-40oF to 158oF)
Relative Humidity: 0% to 95% non-condensing
Altitude: 0-3000 m (0-9850 ft)
Survival Wind Speed: 125 mph (201 km/hr)

The part number is AP-85TX




Hi Joseph,

thanks for the prompt response.
I am looking for an Aruba part number for a POE injector or a adaptor that would operate in temperature range below freezing point( something like -10 degree C).
The AP-85Tx have to be used outdoors, at a cold geographic location.

Thanks,
Amit
Aruba
Posts: 162
Registered: ‎04-03-2007

Industrial POE vendors.

One would expect a wide variety of rugged POE injectors on the market for this reason. But in practice, the majority of injectors we see in customer outdoor enclosures are standard units with 0-40C operating temp limits. Typically, the enclosures have integrated heaters which keep interior temp generally within this range.

L-Com (formerly Hyperlink Technologies) markets an industrial injector rated -40C to +70C. However, the power supply is only rated 0 to +40C.

Here are three different options that sell industrial POE switches and injectors with operating temp ranges down to -40C. Various Aruba transportation, petrochemical and manufacturing customers use these products. These are designed to be powered by 48VDC buses. Some of these companies also sell outboard AC-DC converters if that is not available.

http://www.transition.com/TransitionNetworks/Products2/Family.aspx?Name=SISTP10xx-141-LRx.

http://www.sixnet.com/product/industrial-power-over-ethernet-poe-injectors-136.cfm

http://www.garrettcom.com/power_over_ethernet.htm

-cl
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