C - 88 Coreline (LAN/Station Cable Integration)
Issue 6 Electra Elite
The 10Base-2 technology limits cable length to 185 meters (607
feet).
The following table lists specifications for the VDH2(8)-U10 ETU.
System Capacity (Electra Elite 192)
Three VDH2(8)-U10 ETUs can be installed in each B64-U10 KSU.
Therefore, 24 VDD-U Units can be supported for each KSU, and 72
VDD-U Units can be supported per full system.
System Capacity (Electra Elite 48)
Three VDH2(8)-U10 ETUs can be installed in the B48-U10 KSU.
Therefore, 24 VDD-U Units can be supported per system.
Power Failure
When power fails, Coreline operates using KSU backup battery, and
operation time is limited to the battery capacity of the KSU.
CPU Reset
LAN data is not affected by CPU reset.
LAN alert for Maintenance
When the system is off, the VDH2(8)-U10 ETU is off, and the LAN is
disabled. The LAN must be notified when the KSU is off.
VDH2(8)-U10 ETU Specifications
Description Specifications
General Specifications
Access Method CSMA/CD Method (IEEE 802.3)
Transmission Speed 10 Mbps
Transmission Interface 10Base-2 (VDH2(8)-U10): 1 port
10Base-T + D
term
Interface: 8 ports
Transmission Interface Connectors
10Base-2 BNC (coaxial cable)
10Base-T + D
term
Interface
RJ45 (modular for 10Base-T)
Transmission Cable Type and Maximum Cable Length
10Base-2 Coaxial Cable – 606.8 feet (185 meters)
10Base-T + D
term
Interface
Twisted Pair Cable (LAN Category 3 or
higher) – 328 feet (100 meters) for
10Base-T technology.
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