DS551DR4
Input / Output Terminals
1. AC (IN): Connect the supplied power cord to the wall outlet.
2. Power Switch: Press to switch the main power on/off.
3. RS-232 (IN): RS232C network input connection for remote control from PC.
4. RJ-45 (IN): RJ45 network input connection. (for 3000 nit)
5. USB port: Support for USB flash drive storage, mouse and keyboard. (for 3000 nit)
6. HDMI-1 (IN): Connect the HDMI output of a PC, or the HDMI output of an AV device via a HDMI
cable. (for 3000 nit)
7. RJ-45 (IN): RJ45 network input connection. (for 1000 nit)
8. USB port: Support for USB flash drive storage, mouse and keyboard. (for 1000 nit)
9. HDMI-2 (IN): Connect the HDMI output of a PC, or the HDMI output of an AV device via a HDMI
cable. (for 1000 nit)