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Ethernet Cabling E-11
Ethernet Cabling
The Ethernet port of the CoreBuilder allows you to connect the
CoreBuilder to an Ethernet network for Network Management Station
(NMS) connectivity (such as Transcend™). The Ethernet port is a standard
RJ-45 connection of a terminal side.
Follow these guidelines for 10BASE-T cabling:
Use only copper, unshielded twisted-pair (UTP) wiring. Do not use flat,
multiconductor cable (for example, silver satin), which is often
identified by solid colors such as red, green, yellow, or black.
Use two twisted-pairs for each link.
Use twisted-pair wire that is 22-26 AWG (0.5 millimeter) in diameter.
Use twisted-pair wire with an impedance between 85 and 115 ohms.
Make sure that the maximum twisted-pair link length from the system
to any potential workstation location is 100 meters (328 feet).
Cable Pinouts
Management connections may be established with a direct cable link to a
PC-AT serial port, or via modem. The following tables detail cable pinouts
for 9 and 25 pin PC-AT links, and for a modem connection.
CoreBuilder 7000 Serial Port
The CoreBuilder 7000 provides a standard DB-9 connector for
management connections (refer to Figure E-1). Table E-8 details the
pinout and functions for this connector. The CoreBuilder 7000 plays the
standard role of a DCE.
Figure E-1
Serial Port Pinouts