Transition Networks SPS-48V 사용자 설명서

INSTALLATION

NOTE: The TRANSITION Networks 48-to-12 VDC External Power Supply is
shipped with four (4) attached feet.

For installation, place on any well-ventilated table-top or shelf with
access to a 48 VDC power source.

Connect barrel connector attached to 12 VDC cord on External Power
Supply to media converter or similar device

CAUTION: Ensure that 48 VDC power source is NOT powered when
connecting power to the 48-to-12 External Power Supply. Failure to observe
this caution could result in damage to, and subsequent failure of, the 48-to-
12 External Power Supply and of any attached device.

Ensure that external power source is powered OFF.

Compliance

UL listed EN60950; FCC & CISPR class A; CE Mark

Dimensions

5.6" x 3.3"" x 1.6""

Power Distribution

+12VDC at 0.8 A maximum.

Power Consumption

14 watts maximum

Long Term Stability

0.1% for eight (8) hours (after 20 minutes warm-up)

Efficiency

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, operates linearly to 50% of full
rating.

DECLARATION OF CONFORMITY

Name of Mfg:

Transition Networks
6475 City West Parkway, Minneapolis MN 55344 USA

Model:

SPS-48V External Power Supply

Part Number:

SPS-48V

Regulation:

EMC Directive 89/336/EEC

Purpose: To declare that the SPS-48V to which this declaration refers is in

conformity with the following standards.

EMC-CISPR 22: 1985 Class A; EN 55022: 1988 Class A; EN 50082-1:1992;
EN 60950 A4:1997; IEC 801.2, IEC 801.3, and IEC 801.4; IEC 950

I, the undersigned, hereby declare that the equipment specified above conforms to the

above Directive(s) and Standard(s).

_May 8, 2001_____

Stephen Anderson, Vice-President of Engineering

Date