NetComm NCT480 manual Power, Fan unit Air flow, Cfm

Ventilation

The NCT480 fans maintain a suitable operating temperature for the internal circuitry. Ensure that the air intake vents at the left side of the box and the air exhaust vents on the right side of the box are not obstructed in anyway.

Figure 3-1 NCT480 Ventilation Control Diagram

Field

Description

Fan unit	4
Air flow	7	(CFM)
Air pressure	3	(mmH20)
Speed per fan	6000 (RPM)
Noise level	26 (dBA)

Table 3-2 System Air-Flow Specification

Space

The NCT480 system fits in either a 19-inch (48.26 cm) wide rack or a 23-inch (58.42 cm) wide rack.

The NCT480 is 1.96 inches (1U) in height and 10.2 inches (26 cm) in depth. Depending on your configuration type, plan accordingly so that the CO rack accommodates your needs.

Power

The NCT480 mini IP-DSLAM using built-in power converter unit, the built-in power converter unit is required a VDC power source for it needs. The voltage is from -36 VDC to -60 VDC with power consumption of 85W.

Before you connect the system to a power source, verify that the power source is properly grounded and that it falls within the internal power supply rating.

YML856 Rev3	NCT480 IP DSLAM User Guide
www.netcomm.com.au	19