1U Subsystems / J-Chassis
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- Accommodates RF Over Fiber Transport Plug-in Modules, 10 kHz – 60 GHz
- Five Module Slots, Chassis Front
- Five Additional Module Slots, Chassis Rear (10-Slot Model)
- 0°C to +60°C Operating Temperature Range
- Universal Hot Swappable Power Supplies (AC and DC), 100W each
- Multiple Local and Remote Monitoring and Control Options
- Chassis USB Ports for Monitoring via Remote JS14 or S11 Managed Switches
- Two Self-Adjusting Fan Units
- JS14 Managed Switch, Remote Access via SSH CLI, HTTP Web User Interface, Managed RFoF Graphical User Interface, SNMP v2 and v3
- Optical Zonu Patented uOTDR for Fast Fiber Fault Finding
- RF Over Fiber Transport
- Teleport RF Signal Distribution
- Antenna Site Diversity
- Phased Array Antenna Systems
- Radar Systems RF Signal Transport
- TVRO
- VSAT
- 30 MHz to 3, 4, 6 GHz
- -40°C to +70°C Operating Case Temperature Range
- Adjustable Transmitter and Receiver RF Gain (30 dB or 60dB range each)
- Signal strength detectors
- Optional AGC in Transmitter and Receiver
- Digitally controlled via a microcontroller
- Interface via USB, I2C, or UART
- 1310 nm, 1550 nm, CWDM Wavelengths
- High SFDR
- 1310 nm, 1550 nm, CWDM Wavelengths
- +5V Supply Voltage
- Automatic Optical Power Control
- Local LED Alarm Indicators
- Uncooled Isolated DFB Lasers
- Lasers Conform to Class 1 Emission Level Per CDRH and IEC-825 (EN 60825) Standards
- Small Size, 19mm x 106mm x 9mm
- Weighs 32 Grams
- Integrated +35 dB High Gain Transmitter LNA
- Up to 60 dB RF Gain Tuning Range in Transmitter
- Access to RF RMS power measurement
- AGC
- Extended 1 MHz Low Frequency Available
- Low Phase Noise Reference Clock Distribution (10 – 200 MHz)
- Multimode Fiber Capability
- Package 4 in a single Blade (slot) of J3U or in a J3U Single card enclosure.
- MORE – CONTACT FACTORY
- RF Over Fiber Transport
- High Dynamic Range Links
- Teleport RF Signal Distribution
- High Density Deployments
- Antenna Site Diversity
- Phased Array Antenna Systems
- Radar Systems RF Signal Transport
- Avionics
- 4G LTE 5G CBRS
- Satcom
- Cellular Communications
Product Description
The J-Chassis is a modular EIA 310-D Standard 19” 1RU chassis that accommodates 5 pluggable, hot swappable fiber optic RF signal transport modules, managed switches, and/or power supplies on the front of the chassis. The 5-slot chassis is ~ 8” deep. A 10-slot version of the chassis (~ 16” deep) accommodates an additional 5 slots on the back of the chassis.
RF over fiber transport modules may be configured to transport from 10 kHz to 50 GHz. Modules may be configured as single and dual fiber transmitters, single and dual fiber receivers, and transceivers (transmitter + receiver). Modules are also available for transporting low phase noise references, GPS, TTL, 1PPS, and IRIG-B.
Modules within the J-Chassis may be monitored and controlled in a number of ways. Locally, LEDs on the modules provide health and status. There are multiple ways to monitor and control modules remotely when using the JS14 managed switch module within a connected chassis. Administrators may access modules via a serial or SSH CLI (command line interface) connection, an HTTP web user interface, and an embedded (within the JS14 managed switch) Managed RFoF graphical user interface. The JS14 module also supports SNMP v2 and v3. The JS14 (or S11) managed switch may be connected to the J-Chassis directly or through a USB hub.
Multiple redundant AC and DC power supply options are available. The chassis supports two fan units to maintain a stable operating temperature within the chassis.