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4.7 ITEM 7: Expansion Blank Cover
• Covers the seven slots reserved for 3U Eurocard expansion
• Breaks apart for 0, 1, 2, 3, 4, 5, 6 or 7 expansion cards installed
4.8 ITEM 8: Expansion Cover Fasteners
• Four 2 millimeter metric stainless steel screws per cover
• Attaches Item 7 to Item 1
4.9 ITEM 9: Back Cover
• Aluminum cover for back of controller
• Provides slots for ventilation
• Removed without tools for access to all internal devices
• Provides two grounded rear mounting feet
4.10 ITEM 10: Back Cover Fasteners
• Six #8 stainless steel thumbscrews per back cover
• Attaches Item 9 to Item 1
4.11 ITEM 11: 3 EPAC300-M50 Series Front Panel
• Keypad-
• Display-
• Cable
• Mounting
• Contrast
• Format
4.12 ITEM 12: Power Supply Fasteners
• Four #6 stainless steel screws per power supply
• Attached Item 12 to Item 1
4.13 ITEM 13: I/O Assembly Fasteners
• Seven #6 stainless steel screws per I/O assembly
• Attaches Item 3 to Item 1
4.14 ITEM 14: Product Code Label
• Identifies controller part number
• Identifies month and year of manufacture
AUGUST 2005
EPAC300-M50 SERIES USER'S MANUAL
28 Silver Poly Dome Tactile Keys
8 line by 40 LCD characters with bright LED backlight
Stowed extension cable for remote operation
Detachable, optional snap mounting clip for remote mounting
Contrast adjustable from keypad, no control knobs
Key legends and Display per Joint NEMA/AASHTO/ITE ATC
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