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Summary of Contents for Axis T81B22 DC 30W Midspan
- Page 1 INSTALLATION GUIDE AXIS T81B22 DC 30W Midspan...
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Page 2: About This Document
この装置は、家庭環境で使用することを目 的として いますが、この装置がラジオやテレビジョン受信機 the FAQ database. Search by product, に近接して使用されると、 受信障害を引き起こすこ category, or phrases とがあります。 取扱説明書に従って正しい取り扱い • report problems to Axis support by をして下さい。 logging in to your private support area at Safety www.axis.com/techsup. This product complies to EN/IEC 60950-1, 2nd edition, Safety of Information Technology Equipment. - Page 3 Use only accessories that comply with technical specification of the product. These can be provided by Axis or a third party. • Do not attempt to repair the product by yourself, contact Axis or your Axis reseller for service matters. IMPORTANT! •...
- Page 4 Liability Every care has been taken in the preparation of this document. Please inform your local Axis office of any inaccuracies or omissions. Axis Communications AB cannot be held responsible for any technical or typographical errors and reserves the right to make changes to the product and documentation without prior notice.
- Page 5 Page 5 AXIS T81B22 DC 30W Midspan The AXIS T81B22 DC 30W Midspan injects 51V DC power into the spare pairs of the Ethernet cabling. It complies with both IEEE802.3af and IEEE802.3at standards. These power levels allow a new range of Ethernet-based applications such as PTZ Cameras to use the Midspan.
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Page 6: Installation
DC). Connect the unit Data In jack (In) to your remote Ethernet network switch using a shielded Ethernet cable. Connect the Data & Power Out jack (Out) to your Axis splitter or camera, using a shielded Ethernet cable. Data and... -
Page 7: Power Selector
AXIS T81B22 DC 30W Midspan Page 7 Power Selector Important! Before the unit is powered on, the power selector must be set in the correct position. Power selector PoE standard Power IEEE802.3at 38W (12V DC source only) IEEE802.3af Indicators Color... -
Page 8: Mounting Instructions
• Use a splitter if required, but ensure that the splitter is connected close to your Axis video product and not to the Midspan. • There is no "on-off" switch; simply plug the AXIS T81B22 into a DC power outlet. -
Page 9: Specifications
AXIS T81B22 DC 30W Midspan Page 9 Specifications Environmental Mode Temperature Humidity Operating -20 to 65°C max 95% (non-condensing) -4 to 149°F Storage -40 to 74°C -24 to 158°F Electrical DC Input voltage 12VDC (10.2-14.4V DC), max. 38W 24VDC (20.4-28.8V DC), max. 20W Input current Max. -
Page 10: Troubleshooting
Page 10 AXIS T81B22 DC 30W Midspan Troubleshooting Symptom Corrective steps Midspan does Verify that the voltage at the power inlet is either 12V not power up DC or 24V DC for Input voltage. Remove and re-apply power to the device and check the LED indicators during power up sequence. - Page 12 Installation Guide Ver.1.0 AXIS T81B22 DC 30W Midspan Printed: March 2012 © Axis Communications AB, 2012 Part No. 46921...
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