System Boards
The XCPU central controller board and the power-supply units are obligatory components of NEXUS Base Devices. In addition, XFOC fibre-optic interface boards must be installed for networking multiple Base Devices.
XPSU Power-supply Unit
- Wide-range units supplying all components; no fans
- Multiple units and/or redundant units per Base Device supported
- Space-saving backplane installation
- Output power: 100 W each
NEXUS Data Sheets (4.11 MB)
XCPU Controller Board
Main Controller Board for NEXUS Base Devices
- Base Device and routing control and monitoring
- Control-computer communication via Ethernet, RS 232, RS 422, or USB
- Synchronisation and clock-generation control
- Sample rates of up to 96 KHz
- Stores the current system status independently of the control computer
- Wordclock I/O, internal clock generator
- Test tone and noise generator
- Metering-information gathering
Fibre-optic Interface Board XFOC-LC / XFOC A
Network-Interface Board for NEXUS Systems
- Four independent ports for a total of 256-channels of transmission capacity
- Supports various SFP modules including single-mode, multimode, CWDM, long-haul, and duplex modules
- Uses multimode cabling for short distances (<500 meters) or single-mode cabling for long distances (up to 10 km)
- LC ports for multimode and single-mode connectors
- 1.25 Gbps rate, plesiochronous transmission

