Alpha Technologies AlphaNet Series External DOCSIS - Manual (Page 17)

17 745-838-B2-001 Rev. A
3.0 Installation Instructions for Specifi c Power Supplies, continued
3.1 Alpha XM2 Series, continued
ON
ON
1
2
3
Fig. 3-5, USM2 Settings for 48V and > 20A
ON
ON
1
2
3
Fig. 3-4, USM2 Settings for 48V and <20A
3.1.3 USM2 Jumper Settings, continued
FRONT PANEL
POWER SUPPLY
CHASSIS
FRONT PANEL
POWER SUPPLY
CHASSIS
JP2
(AC SCALING OF OUTPUT VOLTAGE)
JP1 (5V POSITION)
SW 1 SW 2
JP2
(AC SCALING OF OUTPUT VOLTAGE)
JP1 (5V POSITION)
SW 1
SW 2
ON
Legend:
Pins jumpered
ON
Legend:
Pins jumpered
NOTE:
The switch settings in this section apply only to the EDH-A2 and differ from the EDH-A. Refer to the EDH-A
Installation Manual for EDH-A installation procedures.
3.1.4 Output Voltage Calibration
EDH-A2 supports AC Scaling for Output Voltage measurements and does not require
USM2.5 potentiometer calibration.