User's Manual

Table Of Contents
Installing the Base Station Equipment
BreezeMAX Modular Base Station System Manual 53
Table 2-10: NPU Connectors
Name Connector Functionality
DATA 100/1000Base-T (RJ-45)
with 2 embedded LEDs.
Connection to the backbone. Cable connection to a
hub/switch/router: Straight
MGMT 10/100Base-T (RJ-45)
with 2 embedded LEDs.
Connection to OOB management.
Cable connection to a PC: Crossed
Cable connection to a hub/switch/router: Straight
GPS/SYNC IN 15-pin micro D-Type jack Connection to a GPS Adapter (or, in the future, to another
NPU) that supplies synchronization signals.
GPS/SYNC OUT 15-pin micro D-Type jack Not used currently. Supply of synchronization signals to
another unit
ALRM-IN 9-pin micro D-Type jack Not used currently. Connections to external alarm indicators
(3 alarm inputs, NC or NO)
ALRM-OUT 9-pin micro D-Type jack Not used currently. Connections for activation of external
devices (4 dry contact pairs)
MON 3-pin low profile jack Access for debugging and configuration using the Monitor
program
Table 2-11: NPU LEDs
Name Description Functionality
PWR Power indication
Off - NPU is not powered
Red - NPU power failure
Green - NPU power is OK
ALRM NPU Alarm indication
Off - NPU is OK
Red - NPU failure
BST ALRM Base Station chassis alarm
indication
Off - All Base Station modules are OK
Red - Failure in one (or more) Base Station modules
EXT ALRM External alarm indication
Off - No alarms
Red - Alarm received via the ALRM IN connector (not
applicable in current release)
MASTER Master/Slave operation indication
Off - Secondary NPU (backup). Not supported in
current release.
Green - Primary NPU