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Adopting the latest HDBaseT 3.0 technology, CE840 USB True 4K HDMI HDBaseT 3.0 KVM Extender consists of a local unit and a remote unit, enabling uncompressed True 4K HDMI, audio, RS232, Ethernet, and USB signal transmission across 100m over a single Cat 6A cable (ATEN 2L-2920 Cat 6A Cable recommended) or above. Installation is made easy, neat, and cost-efficient with no compromises on high quality distribution of AV content. The CE840 allows for dual console operation via the two USB ports for USB keyboard and mouse connection and the pushbuttons for switching USB control console between the remote and local end. LEDs on the front panel help indicate which USB control mode that is currently on. Moreover, each unit contains an HDMI output port for local control and the other two USB 2.0 ports for USB peripheral connection. Consequently, operators can acquire data and manage equipment in one location, even from a distance.

| Function | CE840L | CE840R |
| Connectors | ||
| Console Ports | 1 x HDMI (Female, Black) 4 x USB Type A (Female, White) * 1 x Mini Stereo Jack (Female, Green) 1 x Mini Stereo Jack (Female, Pink) * 2 ports x USB for Keyboard & Mouse use, 2 ports x USB for other USB2.0 peripherals, DO NOT mix and match | 1 x HDMI (Female, Black) 4 x USB Type A (Female, White) * 1 x Mini Stereo Jack (Female, Green) 1 x Mini Stereo Jack (Female, Pink) 1 x GbE (RJ-45 Female, Black) * 2 ports x USB for Keyboard & Mouse use, 2 ports x USB for other USB2.0 peripherals, DO NOT mix and match |
| KVM Ports | 1 x HDMI (Female, Black) 1 x USB Type B (Female, White) 1 x Mini Stereo Jack (Female, Green) 1 x Mini Stereo Jack (Female, Pink) 1 x GbE (RJ-45 Female, Black) | N/A |
| RS-232 | 1 x DB-9 Female (Black) | 1 x DB-9 Male (Black) |
| Power | 1 x DC Jack (Black) | 1 x DC Jack (Black) |
| Unit To Unit | 1 x RJ-45 Female (Black, HDBaseT) | 1 x RJ-45 Female (Black, HDBaseT) |
| Video | ||
| Max. Data Rate | 18Gbps (6Gbps per lane) | 18Gbps (6Gbps per lane) |
| Max. Pixel Clock | 600 MHz | 600 MHz |
| Compliance | HDMI (Deep Color, 4K/60Hz); 4K HDR+ HDCP2.3 Compatible Consumer Electronics Control (CEC)* *The CEC signals are only bypassed from the Local unit to the remote unit and do not support local HDMI console output. | HDMI (Deep Color, 4K/60Hz); 4K HDR+ HDCP2.3 Compatible Consumer Electronics Control (CEC) |
| Max. Resolution | 4096 x 2160 @ 60Hz (4:4:4) 3840 x 2160 @ 60Hz (4:4:4) | 4096 x 2160 @ 60Hz (4:4:4) 3840 x 2160 @ 60Hz (4:4:4) |
| Max. Resolutions / Distance | 4K x 2K @ 60Hz (4:4:4) up to 100m (HDBaseT3 Certified Cat 6a U/FTP cable or above / ATEN 2L-2920 Cat 6a cable) 4K x 2K @ 30Hz (4:4:4) up to 50m (HDBaseT certified Cat6 cable / ATEN 2L-2910 cable) | 4K x 2K @ 60Hz (4:4:4) up to 100m (HDBaseT3 Certified Cat 6a U/FTP cable or above / ATEN 2L-2920 Cat 6a cable) 4K x 2K @ 30Hz (4:4:4) up to 50m (HDBaseT certified Cat6 cable / ATEN 2L-2910 cable) |
| LEDs | ||
| Power | 1 (Green) | 1 (Green) |
| Link | 1 (Orange) | 1 (Orange) |
| Video | 1 x HDMI IN (Orange) | 1 x HDMI OUT (Orange) |
| Console Status | 3 x Local USB Keyboard/Mouse Authority Indicator (Green) | 3 x Remote USB Keyboard/Mouse Authority Indicator (Green) |
| Switches | ||
| Long Reach Mode Switch | 1 x Slide Switch | 1 x Slide Switch |
| Firmware Upgrade | 1 x Slide Switch | 1 x Slide Switch |
| Pushbuttons | ||
| Wakeup button | N/A | 1 x Pushbutton |
| Operating Mode Selection | 1 x Local USB Keyboard/Mouse Authority switch | 1 x Remote USB Keyboard/Mouse Authority switch |
| Power Consumption | DC12V:7.36W:60BTU/h | DC12V:7.37W:60BTU/h |
| Environmental | ||
| Operating Temperature | 0-40˚C | 0-40˚C |
| Storage Temperature | -20-60˚C | -20-60˚C |
| Humidity | 0-80% RH, Non-condensing | 0-80% RH, Non-condensing |
| Physical Properties | ||
| Housing | Metal | Metal |
| Weight | 0.82 kg ( 1.81 lb ) | 0.81 kg ( 1.78 lb ) |
| Dimensions (L x W x H) | 17.82 x 15.60 x 2.88 cm (7.02 x 6.14 x 1.13 in.) | 17.82 x 15.60 x 2.88 cm (7.02 x 6.14 x 1.13 in.) |