Chapter 1 Getting Started
Connectors
8
HST-3000 Ethernet Testing User’s Guide
In addition to the status LEDs, soft LEDs are provided in the
LED result category. For descriptions of each of the soft LEDs,
see “LED results” on page 304.
Connectors
The Ethernet SIM provides the physical interfaces needed to
transmit and receive Ethernet and IP traffic. Two SFP connec-
tors are provided on the top of the SIM for 1 Gigabit (1G) or
Alarm – The Alarm LED is not applicable when testing
using the Ethernet SIM.
LpBk This LED indicates the local loopback state of the
HST unit.
– Solid green indicates the HST has been placed
in loopback mode either manually, or by a unit
on the remote end.
– If the LpBk LED is not illuminated, the local unit
is not in loopback mode.
Batt The Batt LED reports the battery status.
NOTE: For information about charging the battery,
changing batteries, and resetting the battery capac-
ity indicator, see the HST-3000 Base Unit User’s
Guide.
Table 7 Status LEDs (Continued)
LED Description
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