CSI Fiberlink® 3370

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The Fiberlink 3370 Series allows you to transmit 3G, HD or SD-SDI as per SMPTE 424M-2006, 292 and 259 with the ability to transmit 10/100 Base-T Ethernet and two channels of RS-Type data over one single mode fiber. All data channels are available simultaneously and convenient switches on the 3370 Series transmitter allow the operator to configure each of the two pairs of data independently.

Data signals are not required to operate the Fiberlink 3370 link and it can be used as a stand-alone 3G/HD/SD-SDI optical link. Previously serialized audio that is present SDI stream is left intact throughout the entire transmission process. The 3370 Series is immune to pathological signals over the entire budget link and operating temperature range.

Signals are equalized and re-clocked prior to fiber optic transmission and the 3371 receiver features a re-clocked SDI output.

The 3370 model operates with one single mode fiber.

Available in card versions and a small footprint box version, it is ideal for broadcast or corporate studios, OB vans, rental and staging, auditoriums, stadiums and theaters, airport or transportation hubs, distance learning, surgical or medical imaging and more


General Specifications
Number of Fibers Required1 fiber for single mode fiber (Models 3370/3371)

2 fibers for multimode fiber (Models 3372/3373)

IndicatorsPower, Data Rate lock (3G, HD, SD), Alarm (card version only), RS-Data Channel 1, RS-Data Channel 2 & Ethernet LEDs on RJ-45 Connector
Box Version Dimensions6.5 W x 1.15 H x 8 L (inches)

165 W x 29 H x 203 L (mm)

Weightapprox. 1 lb.; 0.45 kg
Slots in 6000A Card Cage2
Power9-24 volts, AC or DC

3370: 4.8 watts, 16.4 BTU/Hr

3371: 4.65 watt s, 15.87 BTU/Hr

Operating Temperature-10º C to +50º C
MTBF36,000 Hours
Ethernet Specifications
Port10/100 Base-T, RJ-45 connector, Auto-MDIX
Speed10 Mbps & 100 Mbps Ethernet, Switch Selectable
Data Specifications
Data Channels2 Channels, Bi-Directional
Data BandwidthDC to 115 Kb/sec, max.
Control FormatSwitch selectable RS-232, RS-422 & RS-485 (4 wire or 2 wire);
ProtocolsNRZ, NRZI, RZ, Manchester, Bi-phase
Signal ConnectorsRemovable terminal block
3370 Transmitter: Serial Video BNC Input
Number of Inputs1
Data Rate Range270 Mbps to 2.97 Gbps
Supported StandardsSMPTE 259M, 292, 297-2006, 424M-2006
Re-clocked Data Rates270 Mbps (SMPTE 259M),

1.485 Gbps (SMPTE 292),

2.97 Gbps (SMPTE 424M-2006)

EqualizationAutomatic up to 100m of Belden 1694A at 3.0 Gbps, 200m at 1.485 Gbps and 350m at 270 Mbps
Return Loss>10dB up to 2.97 Gbps
3370 Transmitter: Fiber Optic Output
ConnectorLC or ST
Wavelengths Used1310nm, 1490nm, 1550nm
Emmiter TypeFP Laser
Output Power (nominal)-4.5 dBm
SDI Re-clockingAt 270 Mbps, 1.485 Gbps & 2.97 Gbps
3371 Receiver: Fiber Optic Input
ConnectorLC or ST
Wavelength1100 – 1620 nm
Minimum Input Sensitivity-17 dBm at 2.97 Gbps;

-20 dBm at 1.485 Gbps

-21 dBm at 270 Mbps;

Maximum Input Power0 dBm
3371 Receiver: Serial Video BNC Output
Number of Outputs1
Signal Level800mV ± 10%
DC Offset0V ± 0.5V
Rise/Fall Time< 135 ps at 2.97 Gbps per SMPTE 424M-2006;

< 270 ps at 1.485 Gbps per SMPTE 292;

0.4 ns to 1.5 ns at 270 Mbps per SMPTE 259M

Overshoot< 10% of amplitude
Timing Jitter< 0.2 UI at 270 Mbps; < 1.0 UI at 1.485 Gbps; < 2.0 UI at 2.97 Gbps with color bar signal
Alignment Jitter< 0.2 UI at 270 Mbps; < 0.2 UI at 1.485 Gbps; < 0.3 UI at 2.97 Gbps with color bar signal
Re-clockingAt 270 Mbps, 1.485 Gbps & 2.97 Gbps