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GarrettCom DS8016 User Manual

Page 39

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Magnum DS8016 Dual-Speed Stackable Hubs Installation and User Guide (07/06)

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B4.0 INSTALLATION

This section describes the installation of the 48 VDC power source leads to the 48

VDC power terminal block on the Magnum DS8016s. (see figure below).

Figure A4.1: 48 VDC Terminal

Block on Magnum DS8016-48VDC

The 48 VDC terminal block

on the Magnum DS8016s is located

on the rear of the unit and is equipped

with three (3) screw-down lead posts.

The leads are identified as negative (-), positive (+), and chassis ground (GND). The actual

connection procedure is very straightforward. Simply connect the leads to the Magnum unit,

beginning with ground. Ensure that each lead is securely tightened.

36-70VDC

_

+

GND

ON

OFF

On the premium-priced NEBS-compliant Magnum DS8016-48V models, an ON-

OFF switch is included, located in the rear at the power input. This can be used in

conjunction with power connections, and as a RESET for the hub’s electronics.

B4.1

UL Requirements

1. Minimum 14 AWG cable for connection to a Centralized DC power source.
2. Fastening torque of the lugs on the terminal block: 9 inch pound max.
3. Centralized DC Power Source cable securement, use at least four cable ties to

secure the cable to the rack at least 4 inches apart with the first one located within
6 inches of the terminal block.

B5.0 OPERATION

Operation of the Magnum DS8016s with the optional 48VDC power supply is

identical to that of the standard AC-powered models.

B6.0 TROUBLESHOOTING

Please refer to Section 5.0 for troubleshooting