SEABAT 7125 SYSTEM OPTIONS
SeaBat 7125 ROV Operator‟s Manual
Page 172
May 30, 2011
Version 3
Specification
Value
Protocol support
CIFS, NFS, NCP, HTTP, and FTP
Max RAID capacity
1.0 Terabyte
Operating system
Windows® Storage Server 2003
Processor
Intel Pentium 4 2.8GHz at 800MHz 1MB
Memory
512MB Dual Channel DDR400 SDRAM
RAID environment
Integrated Marvell 4 port RAID controller
Hot swap
4 bays
Included drives
4 x 250GB SATA 8MB Cache
Ethernet
Dual Intel Gigabit controller 2x 10/100/1000
Load balancing
Load balancing, teaming and failover
Power supply
350W
D.3 Fiber-Optic Converter (for ROV Installations)
For LCU to processor cable lengths in excess of 100 meters, a fiber-optic link is
required. This bidirectional link can run over a single-mode fiber (where cable lengths in
excess of 40 km are possible). The performance of a fiber-optic link is highly dependent
on the quality of the link, the number of connections, and the end-to-end optical loss.
RESON-supplied
LCU pressure housing
Receiver
unit
Projector
unit
Customer-supplied
wet-end junction box
Customer-supplied
dry-end junction box
Fiber-optic cable
Sonar
processor
48VDC
Fiber
Data
Fiber
Power and data
Monitor
Impulse MIL-16-MP
Data
Power and data
Media
converter
Media
converter
Figure 74: Typical ROV Installation
RESON offers a converter which resides in a customer-provided pressure housing and
converts the electrical output from the LCU to an optical signal. At the surface, a second
converter is used to convert the optical signal back to electrical before routing into the
processor.
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