23
UTP AND THIN ETHERNET REPEATERS
4.6.5
I
NSTALL
10BASE2 T
HIN
C
OAX AND
AUI
SEGMENTS
NOTE
For safety, IEEE 802.3 10BASE2 Ethernet specifications call for each
segment to be connected at one point to an earth ground, such as a
cold water pipe. To simplify your systems installation, we have
internally connected the port grounds in our repeaters, and recommend
that the earth ground connection be made from only one of the ports on
the repeater. Grounding one segment in this manner will properly
ground all the segments connected to the repeater. (Refers to the
LZ1502A, LZ1504A, and LZ1508A with two, four, and eight BNC ports
respectively.)
Installation Steps
1. Connect 10BASE2 thin coax segments to the Repeater as if each port is
a 50 ohm terminator.
2. When a segment is properly attached and the far end of the segment is
properly terminated, the adjacent LED will cease alternating.
3. Be sure to connect the shield of one (only one) of the segments to an
earth ground.
Fig. 4-11. The Segment Must End at the Repeater.
Each 10BASE2 port of the Repeaters acts like one terminator on the
10BASE2 thin coax segment it is connected to. Therefore, each segment
must have one (and only one) additional terminator at the far end of the
run. If the terminator is not attached or there are two or more terminators
The segment must end at the
repeater. DO NOT use a
T-Connector.
Summary of Contents for LZ1500A-R3
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