ETL Systems StingRay 321/322 GENUS 2U CWDM RF over Fiber System, 500–3150 MHz

ETL Systems StingRay 321/322 GENUS 2U CWDM RF over Fiber System, 500–3150 MHz

The ETL Systems StingRay CWDM system transports multiple RF signals over a single optical fiber for satellite communications and RF signal distribution. The system combines SRY-G2S-TxxS6-321 wavelength-specific transmitters, SRY-G2S-RS6-322 receivers, and SRY-G2S-OCM-08-YY-203 optical multiplexer modules.

At the transmit end, an eight-channel CWDM multiplexer combines separate optical wavelengths onto one fiber. At the receive end, a matching demultiplexer separates the wavelengths for the receiver modules. Links up to 50 km are supported, subject to the 12 dB optical budget and total installed link losses. Configurations with up to 16 wavelengths require factory confirmation.

Each transmitter or receiver occupies one GENUS 2U chassis slot and includes an SMA RF monitor port. Manual, automatic, and fixed gain modes support flexible signal management, with 60 dB manual adjustment in 0.5 dB steps. Transmitters feature DFB lasers with optical isolation and selectable 13/18 V LNB power. Compatible chassis provide local touchscreen and remote monitoring and control through SNMPv3 and HTTPS.

Transmitter Model: SRY-G2S-TxxS6-321; wavelength-specific configuration
Receiver Model: SRY-G2S-RS6-322
Multiplexer Model: SRY-G2S-OCM-08-YY-203; connector suffix specified when ordering
Frequency Range: 500–3150 MHz
CWDM Capacity: Eight wavelengths per fiber; up to 16 subject to factory confirmation
Link Distance / Optical Budget: Up to 50 km / 12 dB
Chassis Compatibility: GENUS 2U; one slot per TX/RX module; two slots per multiplexer module
Gain Control: Manual, automatic, and fixed gain; 60 dB manual range in 0.5 dB steps
Gain Flatness: ±2.0 dB across 500–3150 MHz; ±1.5 dB across 850–2150 MHz; ±0.25 dB over any 36 MHz, in fixed gain mode
RF Monitor Port: SMA 50Ω; −20 dBc ±3 dB
OIP3: +20 dBm typ. across 500–3150 MHz; +23 dBm typ. across 850–2150 MHz
Noise Figure: 9 dB typ.; 12 dB worst case
Optical Wavelengths: TX: selected CWDM wavelength from 1470–1610 nm; RX: 1100–1650 nm
Connector Options: SMA 50Ω, BNC 50Ω, BNC 75Ω, or F-type 75Ω RF; FC/APC, SC/APC, or E2000/APC optical on TX/RX modules
LNB Power: Transmitter only; 13/18 V ±5%, 500 mA max.
Power Consumption: TX: 15 W typ., including 18 V/500 mA LNB power; RX: 4 W typ.; multiplexer: 0 W

CWDM Optical Multiplexer

Channel Wavelengths: 1470, 1490, 1510, 1530, 1550, 1570, 1590, and 1610 nm
Insertion Loss: 2.5 dB
Channel Isolation: Greater than 30 dB
Return Loss: Greater than 45 dB
Maximum Optical Power: 250 mW
Optical Connector Options: FC/APC or SC/APC

Key Features

• Transports eight RF channels over one single-mode fiber using CWDM.

• Extended RF coverage for L-band and S-band applications.

• Dedicated RF monitor ports for signal testing.

• Passive optical multiplexer requires no electrical power.

• Optional chassis-based 10 MHz reference distribution, with output level adjustable from −10 to +10 dBm.

• Hot-swappable TX/RX modules with MTBF greater than 200,000 hours.

• TX/RX module dimensions: 39 × 87 × 238 mm; weight: 0.2 kg each.

Transmitters, receivers, optical mux/demux components, compatible GENUS chassis, and optional reference distribution are ordered separately unless included in the quoted configuration. Specify channel count, transmitter wavelengths, RF connectors, and optical connectors when requesting a quotation. Maximum distance depends on fiber attenuation, mux/demux losses, connector losses, and the available optical budget.