Distance Requirements; Environmental Requirements - Comtech EF Data Memotec NetPerformer SDM-8400 Hardware Installation Manual

2.1.3

Distance Requirements

2.1.4

Environmental Requirements

For trouble-free operation the location of the SDM-8400 must satisfy the following
environmental criteria:
Memotec
• The SDM-8400 unit should be no more than 6 feet (approx. 2 meters) away from
an easily accessible power outlet:
- For the SDM-8400 UAC: 100-240VAC, 50/60Hz
- For the SDM-8400 DC: -48VDC
• The maximum length of user equipment connections is relative to the serial
(WAN/user) port speed:
Serial port speed
6 Mbps
2 Mbps or less
Figure 2-2: Distance from serial port to connected equipment
• Operating temperature: 0C to 45C (32F to 113F)*
• Storage temperature: -20C to 65C (-4F to 149F)
• Relative humidity: 10% to 90%, non-condensing
• Maximum operating altitude: 4572 meters (15 000 feet)*
• Ventilation requirement: leave 5 cm (2 inches) of unobstructed space around the
unit.
Above 3048 meters (10 000 feet) altitude the maximum operating temperature
* NOTE:
of the unit drops from 45°C to 35°C.
Maximum distance from serial port to con-
nected equipment
8 meters (25 feet)
30 meters (100 feet)
Unpacking
2-3