User's Guide
EXTRON ELECTRONICS
1230 South Lewis Street Anaheim, CA 92805 (714) 491-1500 FAX (714) 491-1517
U.S.A.
EXTRON ELECTRONICS, EUROPE
Beeldschermweg 6C 3821 AH Amersfoort +31-33-453-4040 FAX +31-33-453-4050
The Netherlands EXTRON ELECTRONICS, ASIA
41B Kreta Ayer Road Singapore 089003 +65-226-0015 FAX +65-226-0019
Singapore
79-10 68-348-01 Rev. A
MBC EVC Buffer
P/N 26-448-01
Operation and Installation
MBC EVC Buffer
The MBC EVC Buffer adheres to the Multimedia configuration, per VESA specifications. It provides a way to buffer the output of any computer that uses the Enhanced Video Connector (EVC) to the input of an interface and the local monitor.
Installation Instructions
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Power OFF the computer and Interface. Use the drawing below along with the following steps to connect the MBC EVC Buffer.
Connect the Local Monitor (SUN, SILICON GRAPHICS, M AC , PC, NeXT COLOR, or any other monitor that uses the EVC connector) to the Local Monitor female output (A) on the MBC EVC Buffer.
Connect one end of the EVC cable (C) to the MBC EVC Buffer CPU connector (B). Use cable connector C1 or C2.
Connect the other end of the EVC cable (C) to the monitor output of the computer/Workstation.
Connect the Extron MBC EVC Buffer to the Extron analog interface using the 9 pin D sub connector (D) and plug the 9 volt DC power plug (D1) into the power jack. Set the Extron interface termination switch (if available) to HIGH Z (unterminated).
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Be sure that all cable connector screws are secure.
Plug the Interface power connector into an AC power receptacle.
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Power ON the computer.
EVC connector pin assignments and a connection diagram are shown on the facing page.
Operation and Installation
Connector (EVC) Pin Assignments
1 .. Audio Output, Right 2 .. Audio Output, Left 3 .. Audio Output, Return 4 .. Sync return 5 .. Horizontal Sync 6 .. Vertical Sync 7 .. Unused *8 .. Charging pwr + 9 .. 1394 pair A, −−−−− 10 .. 1394 pair A, + 11 .. Reserved 1 12 .. Reserved 2 13 .. Video input Y 14 .. Video input return 15 .. Video input, C C1 .. Red video out C2 .. Green video out C3 .. Pixel clock out 16 .. USB data + 17 .. USB data −−−−− *18 .. USB/1394 shield/chg rtn 19 .. 1394 Vg 20 .. 1394 Vp 21 .. Audio Input Left 22 .. Audio Input Right 23 .. Audio Input Return 24 .. Stereo Sync 25 .. DDC Return 26 .. DDC data (SDA) 27 .. DDC clock (SCL) *28 .. +5 VDC 29 .. 1394 pair B, + 30 .. 1394 pair B, −−−−− C4 .. Blue video out C5 .. Video/pixel clock return *Pins 8, 18 and 28 are recessed in the cable end connector (plug) to provide for proper power/ground sequencing.
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