The Model HF1 standalone enclosure provides a slide-in housing for one FOM II modem circuit card. The enclosure is light-weight, has protective rubber feet, and may be placed in a variety of locations. The enclosures can also be stacked to save space. All connections are from the rear of the enclosure.
 If available rack space is a problem, the Model HF2SS Space Saver chassis comes to the rescue.
This chassis fits into a standard 19″ equipment rack, and offers a horizontal side-by-side installation of either 1 or 2 FOM II modem circuit cards.
The height of this chassis is only 1U (1.75″). In those applications where only 1 or 2 fiber optic links must be installed in limited rack space, the Model HF2SS chassis is ideal. For ease of installation, all connections are made from the rear of the chassis.
For rackmount applications requiring numerous fiber optic links, the Model HF20A chassis fills the bill. The HF20A fits in a standard 19″ equipment rack and permits vertical placement of 20 FOM II modem circuit cards. There are no committed slots. All connections are made from the rear of the chassis.
 The Model HF20A rackmount chassis is powered by either a Model AC300WR redundant Power Supply/System Monitor, a Model AC300WR redundant Power Supply/System Monitor, or a Model AC300W single (regulated) Power Supply/System Monitor. These rackmountable power supplies can be installed above or below the HF20A chassis. Both units are 1U high (1.75″).
All FOM II modem circuit cards have two retainer screws on their front panel to hold the device in the FOM II housing. The gi\digital, fiber, and power connections are accessible from the rear of the housings for convenient installation hook-up.
When using the Models HF1 enclosure or HF2SS chassis, power is provided to each individual FOM II modem circuit via a single external AC to DC power supply/transformer. These include the Model PSAC08 (110VAC to 12VDC with USA style plug), and Model PSAC09 (2220VAC to 12VDC with European style plug). Application-specific power supplies are used with certain FOM II modems. These include the Model PSAC10 (used with the Model F2300 modems) and the Model PSAC15 (used with the Model F2200 modems.)
Accommodating a variety of installation requirements and configurations is not a problem when choosing VERSITRON products. Traditional rackmount chassis, space-saver rackmount chassis, and standalone enclosures, along with various "powering up" options, should adequately address any of your "housing" needs.
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