Dialogic DSI SS7MD manual Airflow Requirements

Dialogic® DSI SS7MD Programmer’s Manual Issue 3

2.2.5Visual Indicators

The DSI SS7MDL4 board includes the following visual indicators:

•T1/E1/J1 dual-color Green/Red status LEDs:

—Green indicates a valid link

—Red indicates a line alarm

Note: Only the LEDs 0, 1, 2, and 3 are active (LEDs 4, 5, 6, and 7 are reserved for future use).

2.2.6Power Requirements

Power requirements are described as follows:

•+12 VDC power

1.1 A typical, 1.4 A max.

•Power dissipation 17 W max.

2.2.7Airflow Requirements

The board should be installed in host computers providing an airflow of at least 300 linear feet per minute (LFM), 1.5 m/s. This airflow should be evenly distributed across the board. See Appendix B, “Thermal guidelines for selecting suitable servers for use with a Dialogic® DSI SS7MDL4 Network Interface Board”.

2.2.8Environmental Specification

Environmental specification is described as follows:

•Operating temperature range +0°C to +55°C

•Storage temperature range -20°C to +70°C

•Humidity

5% to 95% non-condensing

•Altitude

0 to 15,000 ft

•Vibration

0.1 g, 5 to 100 Hz

•Shock

Packaged equipment drop test 29.5 in (750 mm)

13