Lightware HDMI-3D-OPT-TX210DD Multimode Single Fiber Extender pair - 91510033 is backordered and will ship as soon as it is back in stock.
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Product Overview
The Lightware HDMI-3D-OPT-TX210DD is a multimode single-fiber optical transmitter with a built-in data diode, extending HDMI 1.4 and DVI 1.0 signals up to 2500 meters over one multimode fiber cable while enforcing strict one-directional signal flow. Certified to the Tempest SDIP27 Level B standard, it is designed for defense, intelligence, and high-security government installations where hardware-enforced data separation is a procurement requirement. The TX210DD pairs with the HDMI-3D-OPT-RX110DD receiver to form a complete secure optical HDMI extension system, with 4K@30Hz maximum resolution and support for both HDMI embedded audio and analog stereo audio input.
Product Description
The data diode architecture means that an optical fiber carries signal from this transmitter to the receiver with no physical path for reverse data transmission. Unlike software-enforced separation, the optical data diode provides a hardware-layer guarantee that no data can traverse the link in the reverse direction, preventing signal leakage and remote manipulation. This makes the TX210DD suitable for classified environment display systems, network-separated control rooms, and any application where information assurance policies mandate one-way signal transfer.

The transmitter accepts one HDMI 1.4 input and outputs a local HDMI monitor copy for in-rack monitoring — the local output mirrors the signal transmitted via fiber exactly. Audio input is flexible: either HDMI embedded audio (up to 8-channel PCM or HBR formats including Dolby TrueHD and DTS-HD) or a local analog stereo input via 3.5mm jack or 5-pole balanced Phoenix connector, with the analog source converted to digital and embedded into the fiber stream. Analog audio input level is adjustable from -95.625dB to 0dB in 0.375dB steps, with a maximum input level of 4dBu.

Key Features
- Hardware data diode — optical fiber enforces one-directional signal flow at the hardware level; no reverse data transmission is physically possible
- Tempest SDIP27 Level B certified — meets NATO SDIP27 Level B emanations standard for use in classified and defense environments
- Up to 2500m extension — reaches 2500m on OM4 fiber at 1080p@60Hz 24bpp; distance varies by resolution and fiber grade
- 4K@30Hz maximum resolution — supports up to 4096x2048@30Hz 24bpp on OM2/OM3/OM4 fiber
- Local HDMI monitor output — mirrors the transmitted signal for in-rack monitoring without breaking the fiber link
- Flexible audio input — HDMI embedded audio (8-ch PCM or HBR) or analog stereo via 3.5mm jack and 5-pole Phoenix connector
- Advanced EDID Management — 15 user-programmable EDID slots plus factory presets; 256-byte Extended EDID v1.3 support
- 0-frame video delay — no latency introduced in the signal path
- 6-channel CWDM optics — Class 3R laser, SC multimode fiber connector (50/125 preferred, 62.5/125 compatible)
- ShowMe and audio select front panel controls — local input selection and diagnostic functions without requiring software access
Typical Applications
- Government space
- Broadcast studio
- Conference room
Technical Specifications
| Parameter | Value |
|---|---|
| SKU | 91510033 |
| Max video data rate | 9 Gbps |
| Max resolution | 4K UHD 3840x2160@30Hz; 1600x1200@60Hz; 1920x1080@60Hz |
| Video delay | 0 frames |
| EDID emulation | Yes, Advanced EDID Management; 15 user-programmable slots |
| Fiber type | 50/125 SC Multimode (preferred) or 62.5/125 SC Multimode |
| Laser class | Class 3R |
| Laser wavelengths | 6-channel CWDM; high-speed: 778, 800, 825, 850nm; low-speed: 911, 980nm |
| Optical loss budget | 8 dBm (worst case) |
| Extension distance (1080p@60Hz 24bpp) | OM1: 250m, OM2: 600m, OM3: 1200m, OM4: 2500m |
| Extension distance (1080p@60Hz 36bpp) | OM1: 150m, OM2: 400m, OM3: 800m, OM4: 1300m |
| Extension distance (4096x2048@30Hz 24bpp) | OM2: 350m, OM3: 700m, OM4: 1100m |
| Video input connector | 19-pole HDMI Type A |
| Video output (local) | 19-pole HDMI Type A |
| Fiber output | SC receptacle |
| Analog audio input | 3.5mm jack and 5-pole balanced Phoenix; max 4dBu |
| Audio input volume | -95.625 to 0dB in 0.375dB steps |
| Serial port | 3-pole Phoenix |
| USB | Mini USB-B |
| Power supply | External adapter, 100–240V AC, 50/60Hz; 5V DC, 1A |
| Dimensions | 221 W x 100.4 D x 26 H mm |
| Enclosure | 1mm metal |
| Security certification | Tempest SDIP27 Level B |
| Compliance | CE |
| Warranty | 3 years |
Competitor Comparison
| Criteria | Lightware HDMI-3D-OPT-TX210DD | Crestron HD-RXC-4KZ-101-C | Extron DTP HD 4K 230 |
|---|---|---|---|
| Data diode (hardware one-way) | Yes — optical hardware enforcement, no reverse path | No — bidirectional HDBaseT, no data diode | No — bidirectional DTP, no data diode |
| Security certification | Tempest SDIP27 Level B (NATO) | None specified for secure/classified environments | None specified for classified environments |
| Transmission medium | Single multimode fiber (SC), up to 2500m | CAT cable (HDBaseT), up to 90m | CAT cable, up to 70m (230 ft) |
| Max resolution | 4K@30Hz (HDMI 1.4) | 4K@60Hz (HDMI 2.0) | 4K@60Hz (HDMI 2.0 on select models) |
| Analog audio input | Yes, 3.5mm and balanced Phoenix | No analog audio input | No analog audio input |
| Local monitor output | Yes, mirrors fiber signal | HDMI output (display side) | HDMI output (display side) |
| Deployment context | Defense, classified, and high-security AV | Commercial AV distribution | Commercial AV distribution |
Frequently Asked Questions
- What does the data diode feature mean in practice?
- An optical data diode means the fiber connection physically carries signal in one direction only. There is no optical receiver on the transmitter side and no optical transmitter on the receiver side, making it physically impossible for any signal to travel from the display back toward the source. This is a hardware-level information assurance control, not a software policy.
- What is the Tempest SDIP27 Level B certification?
- SDIP27 Level B is a NATO standard for electromagnetic emanation security. Certification confirms that the device does not emit detectable electromagnetic signals that could compromise classified information. This makes the HDMI-3D-OPT-TX210DD suitable for use in classified AV installations in NATO member nation facilities.
- Can the TX210DD be used with singlemode fiber?
- No. The HDMI-3D-OPT-TX210DD is designed for multimode fiber only (50/125 OM preferred, 62.5/125 compatible) with an SC connector. A separate product is required for singlemode fiber runs.
- Does the local HDMI output show the same content as the display connected to the receiver?
- Yes. The local HDMI output on the TX210DD mirrors the signal being transmitted over the fiber link, allowing in-rack monitoring of the source signal without accessing the secure display side of the installation.
- What audio formats are supported for embedded transmission?
- HDMI embedded audio including uncompressed PCM (up to 8 channels), Dolby TrueHD, DTS-HD Master Audio, Dolby Digital, DTS, and other HBR formats supported by the HDMI 1.4 standard are passed through to the receiver.
- Can analog audio be mixed with HDMI embedded audio?
- No. The transmitter selects between HDMI embedded audio and analog audio input. The front panel audio input select button controls this choice. Both sources cannot be active simultaneously.
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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