User manual

SM User Manual January 2004
Software Release 4.1
7.1.2 Diagnostic LEDs
The diagnostic LEDs report the following information about the current status of the SM, as
described in Table 11 for the timing slave.
NOTE: Table 11 identifies the LEDs in order of their left-to-right position as the cable
connections face downward.
Table 11: SM status LEDs
Notes
Label
Color
when
Active
Status if
Registered to an
AP
Operating Mode Aiming Mode
LNK/5 green Ethernet link
Continuously lit when link is
present.
ACT/4 orange
Presence of data
activity on the
Ethernet link
Flashes during data transfer.
Frequency of flash is not a
diagnostic indication.
GPS/3 red
Unused
SES/2 green
Unused
SYN/1 orange Presence of sync
If this SM is not registered to
an AP, then these three
LEDs cycle on and off from
left to right.
These five LEDs act as a
bar graph to indicate the
relative quality of alignment.
As RSSI (received signal
strength indicator) and jitter
improve during alignment,
more of these LEDs are lit.
PWR red DC power
Always lit when power is
correctly supplied.
Always lit when power is
correctly supplied.
7.2 CABLING THE SM
The use of shielded cable for all Canopy infrastructure associated with BHs, APs, and CMMs is
strongly recommended. The environment these modules operate in often has significant unknown
or varying RF energy. Operator experience consistently indicates that the additional cost of
shielded cabling is more than compensated by predictable operation and reduced costs for
troubleshooting and support.
7.2.1 Standards for Wiring
The following information describes the wiring standards for installing a Canopy system.
All diagrams use the EIA/TIA-568B color standard.
Either RJ-45 straight-thru or RJ-45 crossover cable can be used to connect a (network interface
card), hub, router, or switch to a module. Canopy modules that are currently available can auto-
sense whether the Ethernet cable in a connection is wired as straight-thru or crossover. Some
modules that were sold earlier do not.
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