SQON-I Inversed Optical Node is a two-way node with 1000 MHz bandwidth. It is specifically designed for use in HFC expansion networks. It provides excellent performance with high reliability and a user-friendly layout. It contains a 1550nm transmitter with RF input AGC function and a 4-way optical passive splitter for system expansion in the forward path, and also contains a 1310nm return receiver with a 4-way optical passive combiner in the return path. It has a high return RF output level for uplink injection. Plug-in attenuator and equalizer for easy adjusting RF level and output slope.
Features
l Supports 1000MHz bandwidth
l RF Input AGC
l DFB Laser
l Plug-in PAD and EQ, balancing easily
l Outdoor housing, IP67 water and dust Ingress protection rating
l F-female RF ports, external test point
l External independent power port
Specifications
Table 1. Forward Path Optical Specifications
Item | Units | Value |
Laser Type | - | DFB |
Optical Wavelength | nm | 1550 ± 10 |
Optical Output Power | dBm | -3.5 @ each port |
Table 2. Forward Path RF Specifications
Item | Units | Value |
Frequency Range | MHz | 54 - 1000 |
Frequency Response | dB | ±0.75 |
RF Input Level | dBµV | 75 - 90 |
Plug-in Attenuator | dB | 0 - 20, 1 dB step |
Plug-in Equalizer | dB | 0 - 18, 1.5 dB step |
CNR* | dB | 46 |
CTB* | dB | 62 |
CSO* | dB | 57 |
* Performance measured at -3.5 dBm input optical receiver, 42 CENELEC channels.
Table 3. Return Path Optical Specifications
Item | Units | Value |
Optical Wavelength | nm | 1310 ± 20 |
Optical Input Range | dBm | -5.5 - 0 |
Table 4. Return Path RF Specifications
Item | Units | Value |
Frequency Range | MHz | 5 - 42 |
RF Output Level @ 0 dBm | dBµV | 95 |
Frequency Response | dB | ±0.75 |
Plug-in Attenuator | dB | 0 - 20, 1 dB step |
Plug-in Equalizer | dB | 0 - 18, 1.5 dB step |
Table 5. General Specifications
Item | Units | Value |
Power Supply | V AC | 35 - 90 |
Power Consumption | W | 20 |
Max. AC Through Current (continuous) | A | 7 |
RF Connectors | - | F - female |
RF Impedance | Ω | 75 |
RF Return Loss | dB | 16 |
RF Test Point | dB | -20 |
Optical Connector | - | SC/APC |
Optical Return Loss | dB | 45 |
Housing Dimensions (W x H x D) | mm | 260 x 240 x 150 |
Weight | kg | 2.7 |
Water/Dust Ingress Protection Rating | - | IP 67 |
Operating Temperature | °C | -40 - +55 |
Storage Temperature | °C | -40 - +80 |
Relative Humidity Range | - | 5% - 95% |
Note: Unless otherwise noted, all specifications reflect typical performance and are referenced to 68°F (20°C).
Block Diagram
Ordering information
The product is available in a wide variety of split, forward wavelength, reverse transmitter’s type and output power, optical connector type. Consult your Customer Service Representative or Applications Engineer to determine the best choose for your particular application.
Description |
SQON-I Inversed Node, 1550nm Transmitter, 1310nm Reverse receiver, 4-Way Splitter/Combiner |
SQ Electronic Equipment Co., Ltd is a technology enterprise specialized in R&D and manufacturing of CATV and PDU related products. The history of the company goes back to 1991. Originally it was a Shanghai based company(ShangHai QianJin Electronic Equipment Co., Ltd). Due to the rapid development of business activities and customer needs, established a 17000 square meter manufacturing base in Suzhou(Qianjin Electronics (Suzhou) Co., Ltd.). Due to strategic upgrading and development, SQ Electronics (Suzhou) Co., Ltd was established in September 2024 and officially switched, embarking on a new journey of cooperation.
Currently it has about 100 employees. Among them, more than 30% are engineers and technicians. The company has inherited the core team, technology, resources, and experience of the original company, and is committed to further innovation and development on the existing basis.
SQ products are well accepted in the industry because of our high quality and innovative design. Quality is our number one priority, and our goal is to supply world class products through outstanding service to our customers and partners.
Address: No. 715 Qidu Avenue Suzhou City Jiangsu Province China(within Qianjin Electronics (Suzhou) Co., Ltd.)
Phone: 021-54973555
Email: eddy@sq-cabledevice.com