The 250D Series fiber links transmit up to 16 channels of low-speed digital data, switch/status information, or control-function signals over one multimode fiber.
250D Series Features
Phoenix is a modular fiber transport system that allows users to configure a system consisting of multiple video, audio, data and contact signals in a variety of topologies including point to point, linear and split linear, self heating ring, and mixed configurations in a drop/repeat/insert environment.
A Phoenix system can support 255 nodes, 16 duplex videos, 16 duplex audios, 16 duplex streams and 32 duplex contacts. Up to 16 full-frame real-time video feeds can be distributed simultaneously across a network. Because the video is not compressed, each signal comes through the fiber as broadcast-quality images.
The video input module occupies one video input slot and supports up to four NTSC/PAL input signals. Each chassis is capable of supporting up to four video input modules, for a total of 16 inputs per node. The video input module utilizes 8-bit processing as well as a signal-to-noise ratio of > 55 dB that assures clean, noise-free video signals.
The card detects the presence of video for each channel and converts it from baseband to a digital signal. It can also transmit board status and details serially to the controller in the chassis's front panel, where a menu system gives the user options for increased functionality.
The video output module occupies one video output slot can output up to four NTSC/PAL signals. Each node is capable of supporting up to four video output modules, for a total of 16 outputs per node.
The video input module utilizes 8-bit processing as well as a signal-to noise ratio of > 55 dB that assures clean, noise-free video signals. It can also transmit board status and details serially to the controller in the chassis's front panel, where a menu system gives the user options for increased functionality.
The data module occupies one data slot and can input and output up to four MPD data channels. Each node can support up to four data modules, for a total of 16 data channels.
Each data module has a rotary switch to select data format. Multiple connections and configurations will fit most data needs. The data modules support built-in test pattern generation, and board status is transmitted serially to the controller in the chassis's front panel. The interface connector is four ganged RJ-45 connectors, but a breakout box with screw terminals is also included to give the user maximum flexibility in determining field wiring.
The audio module, which occupies one audio slot, can input and output four audio channels. Each node can support up to four audio modules for a total of 16 duplex audio channels.
The audio module will support audio test pattern generation and board status istransmitted serially to the controller in the chassis's front panel. Each audio channel will have a selectable 600-ohm termination, as well as a high and low input range to accommodate input signals as great as +18dBu and maximizing signal-to-noise ratios for low volume inputs.
The interface connector is four ganged RJ-45 connectors. A breakout box with screw terminals is also included to give the user maximum flexibility in determining field wiring.
The contact closure module occupies one audio slot and can input and output eight dry contacts. Because the contact closure module occupies an audio slot, the audio capacity for each node is reduced when a contact closure card is added. Any combination of audio and contact closures cards can be combined, up to a maximum of four cards total. Input/output connectivity is through four ganged RJ-45 connectors.
A breakoutbox with screw terminals is also included to give the user maximum flexibility indetermining field wiring. Contacts can also be programmed for use as alarm outputs for fiber,video, or power loss.
The aluminum Phoenix chassis consists of a 2U,19-inch rack-mountable cardcage that holds up to 19 plug-in cards, 16 individual modules, one fiber module, and two power supplies. A front panel provides menu navigation through an LCD display as well as status LEDs for network monitoring. The chassis is color-coded as is each module, so correct installation of the modules can be determined at a glance.
Removable mounting ears give the user four different options for installation. Besides typical installation into a regular rack space, the Phoenix chassis can be wall-mounted, top-mounted, or rear-mounted depending on how the ears are positioned.
The required fiber module is available with one SFP optical transceiver for use inend nodes, or two SFP optical tranceivers for use in repeater nodes. The fiber module is the backbone of the Phoenix system, accepting and supplying data from the other modules and providing status information.
Each fiber module has an optical emitter/detector installed at the factory that transmits and converts signals sent via copper wire. Using optical automatic gain control, it compensates for optical drift due to temperature or age and requires no adjustments.
The module distributes data to other modules in the chassis and to nodes across the network. In addition, the fiber module is responsible for handling different topologies and dictates how information is transmitted through the system. Each transceiver can send and receive information at speeds up to 2.5Gbps.
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