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...this step . Set the DIP switches on the SP390A - R3 for 2 - or 4 - wire operation . TABLE 1 . SP390A - R3 DIP SWITCHES SWITCH OFF ON 1 TD always enabled ( TD 422 ) TD only enabled during data transmission ( TD 485 ) 2 RD always enabled ( ECHO ON ) R...
USER MANUAL AVX - HDMI2 - HDB HDMI 2.0 EXTENDER 24 / 7 TECHNICAL SUPPORT AT 1.877.877.2269 OR VISIT BLACKBOX.COM + I CATX IN HDMI OUT IR OUT IR IN DC 12V RS232 ETHERNET AUDIO IN RECEIVER ARC S / PDIF IN I I I I AUDIO CONTROL POWER STATUS LINK HDCP +...