User Manual

Preparing the LMF – continued
PRELIMINARY 2
July 1999
3-17
SC 4812ET BTS Optimization/ATP – CDMA LMF
Always wear a conductive, high impedance wrist strap
while handling any circuit card/module to prevent damage
by ESD.
CAUTION
Figure 3-9I represents a typical BTS Ethernet configuration. The
drawing depicts one (of two identical) links, A and B.
Figure 3-9: BTS Ethernet LAN Interconnect Diagram
CHASSIS
GROUND
SIGNAL
GROUND
50Ω
SIGNAL
GROUND
50Ω
B
AB
IN
A
B
A
OUT
IN
BTS
(master)
B
AB
IN
A
B
A
OUT
OUT
BTS
(expansion)
FW00106
What is Ping?
Ping is a program that sends request packets to the LAN network
modules to get a response from the specified “target” module.
Follow the steps in Table 3-9 to ping each processor (on both LAN A
and LAN B) and verify LAN redundancy is working properly.
. . . continued on next page
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