Subcomponent descriptions – GAI-Tronics LE200, LE200-FSR, LE200-FLR Page/Party Line Extenders User Manual
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f:\standard ioms - current release\42004 instr. manuals\42004-701l2f.doc
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Subcomponent Descriptions
Enclosure
The Model LE200 Series enclosures contain:
• The 69441-xxx Audio Terminal PCBA as part of the 13118-011
• The 69442-xxx I/O Terminal PCBA as part of the 13118-012
• The 69443-xxx Main PCBA
• The +48 volt power supply
• A +12 volt power supply (Models LE200-FSR and LE200-FLR only)
• A fiber modem (Models LE200-FSR and LE200-FLR only)
• Grounding connections
• Input power terminals containing 15-amp circuit breakers
69441-xxx Audio Terminal PCBA
The 69441-xxx printed circuit board is used to terminate the page and party lines of the system cable.
The 69441-xxx includes over voltage protection and line balance potentiometers for the page line and all
five party lines. Refer to Figure 5.
69442-xxx I/O Terminal PCBA
The 69442-xxx printed circuit board is used to terminate the contact inputs and contact outputs. The
69442-xxx contains the relays for the contact outputs, and signal conditioning components for the contact
inputs. Refer to Figure 5.
69443-xxx Main PCBA
The 69443-xxx printed circuit board contains the main logic of the Model LE200. Refer to Figure 4.
Fiber Optic Modem Models
The Models LE200-FSR, LE200-FSR-E1, LE200-FLR and LE200-FLR-E1 include a third party fiber
modem that converts the copper T1 or E1 signals to fiber optic T1/E1 signals and vice versa.
• Model LE200 FSR (Multi-Mode Fiber, T1 signals)
• Model LE200 FLR (Single Mode Fiber, T1 signals)
• Model LE200-FSR-E1 (Multi-Mode Fiber, E1 signals)
• Model LE200-FLR-E1 (Single Mode Fiber, E1 signals)
+48 Volt Power Supply
The Model LE200 is powered by a +48 V power supply. A selector switch allows the power supply to
operate at either 115 V ac or 230 V ac.
+12 Volt Power Supply
The Model LE200-FSR/FLR contains a +12 V power supply for the fiber optic module. It has an
operation range from 90 V ac to 264 V ac.