Siemens Industry, Inc.
Building Technologies Division
P/N 315-033240-133
Controls and Indicators The front panel of the NIC-C contains one reset switch, fifteen LEDs, one network
port and three HNET address switches as shown in Figure 1.
A reset switch is located on the top of the front panel. Pushing the reset switch re-
initializes the NIC-C operation.
The LEDs follow the reset switch and their functions are defined as follows:
POWER (Green) Normally ON. When illuminated, indi-
cates that power for the NIC-C is applied
to the card.
CARD FAIL (Yellow) Normally OFF. When illuminated, indicates
that the card microprocessor has failed.
CAN FAIL (Yellow) Normally OFF. When illuminated, indi-
cates that all CAN modules connected to
the NIC-C are not communicating.
HNET FAIL (Yellow) Normally OFF. When illuminated, indi-
cates that the HNET communication
with the NIC-C has terminated and the
card goes into degrade mode.
XNET FAIL (Yellow) Normally OFF. When illuminated, indi-
cates that the XNET communication with
the NIC-C has terminated.
GND FAULT (Yellow) Normally OFF. When illuminated, indi-
cates that the NIC-C has detected either
a negative or positive ground fault on its
network.
LOOP A FAIL (Yellow) Normally OFF. When illuminated, indi-
cates that the NIC-C has detected a
trouble on Loop A (open circuit or short
circuit).
LOOP B FAIL (Yellow) Normally OFF. When illuminated, indi-
cates that the NIC-C has detected a
trouble on Loop B (open circuit or short
circuit).
ACTIVE NETWORKS: CAN (Green) Normally OFF. When illuminated, indi-
cates that the CAN network is enabled.
ACTIVE NETWORKS: HNET (Green) When illuminated, indicates that the
HNET network is enabled.
ACTIVE NETWORKS: XNET (Green) When illuminated, indicates that the
XNET network is enabled.
CLASS-X/STYLE 7 (Green) When illuminated, indicates that the
HNET/XNET is configured as Class-X/Style
7 (see Pre-Installation - S3 on page 4).
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