DVIGear
Transmitter and receiver together

3G-SDI Fiber Optic Extender, 1x ST

Model No: DVI-7345

Ultra-compact extender supports SD-SDI, HD-SDI, 3G-SDI over one single-mode fiber up to 2 km (1.2 miles).

Key Features

  • Supports SMPTE-424M (3G-SDI), SMPTE-292M (HD-SDI) and SMPTE-259M (SD-SDI)
  • Supports data rates up to 2.97 Gbps
  • Supports Single-Mode optical fiber distances up to 1.2 mi. (~ 2 km)
  • Extended length 6.2 mi. (~ 10 km) option available
  • Utilizes a single optical cable and a single optical wavelength
  • Ultra-compact, rugged metal enclosure
  • Locking BNC SDI and ST connectors
  • ST connectors equipped with locking metal dust covers
  • Wide operational temperature range: -40°C ~ 85°C
  • Low RFI / EMI profile for sensitive applications
  • Optical fiber transmission is immune to environmental signal noise

High Performance — The DVI-7345 is an ultra-compact, high performance fiber optic extender that supports SDI, HD-SDI and 3G-SDI extension over a single strand of Single-Mode optical fiber at distances up to 1.2 miles (~ 2000 meters). The extender set consists of an optical transmitter module that converts the SDI signals into light pulses for transmission over a single strand of Single-Mode optical fiber cable. An optical receiver module converts the light pulses back to an SDI signal for downstream processing or display on a monitor.

Superior Design — The transmitter includes an SDI signal EQ, a Laser driver and a laser diode module that uses a single optical wavelength of 1310nm. The receiver includes an SDI copper cable driver, a photo diode, a transimpedance amplifier (TIA), as well as a limiting amplifier. Both Tx and Rx use low-profile, metal cases equipped with rugged locking 75 ohms BNC SDI connectors. The locking ST fiber connectors are supplied with twist-locking metal covers to prevent dust buildup inside the fiber optic connectors. These features make the DVI-7345 the perfect solution for extension of SDI, HD-SDI, and 3G-SDI signals over extreme distances in even the most demanding broadcast, studio, and live environments.

Performance
Compliance

SMPTE-424M (3G-SDI) SMPTE-292M (HD-SDI) SMPTE-259M (SD-SDI) SMPTE-297-2006 (optical-to-electrical interfaces) DVB-ASI specifications

Maximum Pixel Clock Frequency

297 MHz

Maximum Video Bit Rate

2.97 Gbps (3G-SDI)

Supported Color Depth

12-bit

Input Impedance

75 ohms

Signal Level

800mVpp ± 50mV

Supported Video Formats

480i, 480p, 576i, 576p, 720/30p, 720/60p, 1080i, 1080/30p, 1080/60p

Digital Audio Support

HD and SD = 16 channels of embedded 48 kHz, 24-bit audio channels 3G = 32 Channels of embedded 48 kHz, 24-bit audio channels

Connections
SDI Input / SDI Output

1x BNC Coaxial Male Connector

Optical Input / SDI Output

1x ST optical connector with detachable dust cover

Power Inputs

1x 6" pigtail with Female USB Micro-B connector

Optical
Optical Technology

1x Discrete Optical Channel

Optical Wavelength

1310 nm

Optical Transmitter

Tx Module: 1310 nm FP Laser, Class 1 Laser Product

Optical Receiver

Rx Module: 1x GaAs PIN Photo Diode

Optical Transmitter Output Power

-6 dBm (minimum) / -1 dBm (maximum)

Optical Transmitter Extinction Ratio

>5.0dB

Optical Receiver Input Sensitivity

<-20.5 dBm

Optical Link Power Budget

14.5 dB (minimum)

Cable
Fiber Cable Type / Max. Length

9/125μ Single-Mode Fiber with 1x ST connector / 1.2 miles (2.0 km) (1)

Extended range (40 km) version available upon request.

DVIGear Fiber Cable

OFNP, Plenum-rated - additional data and custom lengths available on request

Cable Jacket

OFNP, Plenum-rated, Black PVC Jacket

Cable Outside Diameter

3.0 - 5.0 mm

Mechanical
Construction

High-impact metal enclosure with jet black finish

Case Dimensions (L x W x H)

3.2" x 0.7" x 0.8" (82.1 mm x 16.9 mm x 19.1 mm)

Net Weight

DVI-7345-TX: 1.5 oz. (42 g) DVI-7345-RX: 1.5 oz. (42 g)

Environmental
Operating Temperature

-40° to +185° F. (-40° to +85° C)

Storage Temperature

-40° to +185° F. (-40° to +85° C)

Operating Humidity

5% to 80% (non-condensing)

Storage Humidity

5% to 95% (non-condensing)

Power Requirements
Optical Transmitter / Receiver

The Tx and Rx units can be powered from a functioning USB port using a USB adapter cable, or by the supplied external power adapters.

External AC Power Adapter

Input: 100-240VAC / 50-60Hz 0.2A Output: 5VDC, 2.6A

Power Consumption

DVI-7345-TX: 1.0 watts (maximum) DVI-7345-RX: 1.0 watts (maximum)

Regulatory Approvals
Fiber Optic Extender Unit

FCC, CE, RoHS

AC Power Adapter

FCC, CE, UL, C-UL, CEC, GS, PSE, RoHS

Warranty
Limited Warranty

3 Years Parts and Labor

Model Numbers
DVI-7345

3G-SDI Fiber Optic Extender, 1x ST

DVI-7345-TX

3G-SDI Fiber Optic Transmitter, SMF 2KM, 1x ST

DVI-73451-TX

3G-SDI Fiber Optic Transmitter, SMF 10KM, 1x ST

DVI-7345-RX

3G-SDI Fiber Optic Receiver, 1x ST

DVI-CUST-OPT

9/125μ Single-Mode Optical Fiber Cable, Plenum-rated, 1x ST (specify length)μ

Accessories Included

2x External AC Power Adapters (DVI-7331-PS) with USA plug, 1x Quick Start Guide

Optional Accessories

External AC Power Adapter (DVI-7331-PS) with Euro, UK, or Australia plugs

Product Notes

The Transmitter and Receiver Units are sold separately. The accessories shown here are included per unit.

Data Sheet

DVI-7345_Data.pdf

Download

Quick Start Guide

DVI-7345_QSG.pdf

Download

Application Drawing

DVI-7345_ApDrawing.pdf

Download
Black wall-plug power supply with US prongs, its lead ending in a USB Micro-B plug rather than a barrel connector, the USB trident molded into the shell; the label reads DVI-7331-PS, output 5V 2.6A

Power Supply, +5VDC with USB Micro-B Connector

DVI-7331-PS

+5 VDC at 2.6 A with a USB Micro-B connector.