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COMPLIANCE INFORMATION

UL Listed 
C-UL Listed (Canada)
CISPR/EN55022 Class A

FCC Regulations

This equipment has been tested and found to comply with the limits for a class A digital device, pursuant
to part 15 of the FCC rules.  These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment.  This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.  Operation of this
equipment in a residential area is likely to cause harmful interference, in which case the user will be
required to correct the interference at the user’s own expense.

Canadian Regulations

This digital apparatus does not exceed the Class A limits for radio noise for digital apparatus set out on
the radio interference regulations of the Canadian Department of Communications.

Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites applicables

aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique
édicté par le ministère des Communications du Canada.

European Regulations

Warning
This is a Class A product. In a domestic environment this product may cause radio interference in which
case the user may be required to take adequate measures.
Achtung !
Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können bei Betrieb dieses Gerätes
Rundfunkstörungen auftreten, in weichen Fällen der Benutzer für entsprechende Gegenmaßnahmen
werantwortlich ist.
Attention !
Ceci est un produit de Classe A. Dans un environment domestique, ce produit risque de créer des
interférences radioélectriques, il appartiendra alors à l’utilsateur de prende les measures spécifiques
appropriées.

Trademark Notice

All registered trademarks and trademarks are the property of their respective owners.

Copyright Restrictions

© 2001 TRANSITION Networks.
All rights reserved.  No part of this work may be reproduced or used in any form or by any means –
graphic, electronic, or mechanical – without written permission from TRANSITION Networks.
Printed in the U.S.A.

33212.A

The TRANSITION Networks SPS-48V 48-to-12 VDC External Power Supply
provides isolated 12 VDC output voltage from a 48 VDC external input voltage
source to a media converter or similar devce.

48 VDC-to-12 VDC

External Power Supply

SPS-48V

USER’S GUIDE

Installation .................................2
Maintenance ..............................4
Technical Specifications .............6
Compliance Information.............8

Содержание 48 VDC-TO-12VDC SPS-48V

Страница 1: ...icté par le ministère des Communications du Canada European Regulations Warning This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Achtung Dieses ist ein Gerät der Funkstörgrenzwertklasse A In Wohnbereichen können bei Betrieb dieses Gerätes Rundfunkstörungen auftreten in weichen Fällen der B...

Страница 2: ...y 70 typical Noise and Ripple 1 peak to peak of output voltage typical MTBF Greater than 60 000 hours with typical load operating at 20 C ambient temperature calculated according to MIL HDBK 217E Environment Typical Operating Temperature 0 50 C 32 to 122 F Storage Temperature 20 to 85 C Humidity 10 90 non condensing Altitude 0 10 000 feet Warranty Lifetime At operating temperature range 50 C 70 C ...

Страница 3: ...maximum power output voltages reduced to a safe dissipation level protects against short circuit of any output Over Voltage Protection OVP 124 8 on output Over Circuit Protection Withstands a continous short without damage returns automatically to regulation upon removal of short No Load Operation No damage to power supply when operating at no load Overshoot Protection No voltage spike at power on...

Страница 4: ...edia Conversion Center terminal block control marked by turning terminal screw counter clockwise 4 Disconnect ground terminal from Media Conversion Center terminal block control marked chassis ground by turning terminal screw counter clockwise 5 Remove and retain four 4 screws that secure cover to External Power Supply 6 Carefully lift cover from External Power Supply 7 Locate fuse on 48 VDC Power...

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