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SDM-8400 HIG.book - Comtech EF Data

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3.2.3 Environmental Requirements<br />

Unpacking<br />

• The maximum length of user equipment connections is relative to the serial<br />

(WAN/user) port speed:<br />

Serial port speed<br />

6 Mbps 8 meters (25 feet)<br />

2 Mbps or less 30 meters (100 feet)<br />

Maximum distance from serial port to connected<br />

equipment<br />

Figure 3-2: Distance from serial port to connected equipment<br />

For trouble-free operation the location of the <strong>SDM</strong>-<strong>8400</strong> must satisfy the<br />

following environmental criteria:<br />

• Operating temperature: 0�C to 45�C (32�F to 113�F)<br />

• Storage temperature: -20�C to 65�C (-4�F to 149�F)<br />

• Relative humidity: 10% to 90%, non-condensing<br />

• Maximum operating altitude: 3048 meters (10 000 feet)<br />

• Ventilation requirement: leave 5 cm (2 inches) of unobstructed space around the<br />

unit.<br />

Memotec 3-3

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