PS 125 • Installation Guide
The Extron PS 125 is a high performance, 60W, 12 VDC power supply. The auto‑switchable
100 VAC to 240 VAC input can supply a maximum current of 5 amps for up to eight outputs.
Each DC output is on a two‑pole captive screw connector, with no per‑output current limitation. Two‑tone LEDs on the front and
rear panels indicate normal operation (green) and overload condition(red).
The rack mountable PS 125 has a 1U high, quarter rack wide, 8.5 inches deep metal enclosure, allowing the PS 125 to take
advantage of a variety of mounting options (see (see page3).Mounting the PS 125
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part15 of the
FCC rules. These limits provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. There is no guarantee that interference will not occur. If this equipment
does cause interference to radio or television reception, which can be determined by turning the equipment off and on, you are
encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
In order to maintain compliance with FCC regulations, shielded cables must be used with this equipment. Operation with non‑
approved equipment or unshielded cables is likely to result in interference to radio and TV reception. The user is cautioned that
changes and modications made to the equipment without the approval of the manufacturer could void the user’s authority to
NOTE: This unit was tested with shielded I/O cables on the peripheral devices. Shielded cables must be used to ensure
compliance with FCC emissions limits.
For information on safety guidelines, regulatory compliances, EMI/EMF compatibility, accessibility, and related topics, see the
Extron Safety and Regulatory Compliance Guide on the Extron website.
Front and Rear Panel Features
All power and output connections are on the rear panel.
IEC Connector/Power Supply
Figure 1. PS 125 Front and Rear Panels
