Thinklogical HDMI to SDI Converter Manual - Manual (Page 12)

Revision A 12 October 2011
3.5 RS-422 Pin Out (Xtreme 3G+ Extension Option Only)
The RS-422 connector on 3G+ models is wired to emulate an SMPTE 207M Machine Control Pin-out.
The HDMI to SDI product may be software configured to flip the transmit and receive polarities on both
TX and RX boards.
Note: The Tx and RX must be configured with the same transmit and receive polarity in
order to function correctly.
The RS-422 pin-out is :
Tx without Jumper or Rx with Jumper
1. Frame Ground
2. Receive B
3. Transmit A
4. Receive Common
5. Spare
6. Transmit Common
7. Receive A
8. Transmit B
9. Frame Ground
Tx with Jumper or Rx without Jumper
1. Frame Ground
2. Transmit A
3. Receive B
4. Receive Common
5. Spare
6. Transmit Common
7. Transmit B
8. Receive A
9. Frame Ground
4 Set Up
HDMI to SDI Converter/Extender Application – SDI, HDMI and audio source converted
and extended via fiber to Thinklogical’s
®
SDI Xtreme 3G+ receiver, to SDI destination