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ADCP-75-179 • Preliminary Issue A • September 2004 • Section 2: Description
Page 2-15
© 2004, ADC Telecommunications, Inc.
Figure 2-6. Linear Power Amplifier User Interface (Typical)
Table 2-3. Linear Power Amplifier User Interface
REF
NO
USER INTERFACE
DESIGNATION
DEVICE
FUNCTIONAL
DESCRIPTION
1 RESET Momentary contact
push button switch
Momentarily pressing the push button clears all
alarms and restarts the amplifier
2 RF ON OFF 2-position switch Placing the switch in the OFF position puts the LPA
in the standby state with RF output disabled. With
the switch off, the STM can not control the LPA
output power. Placing the switch in the ON position
puts the LPA in the normal state and allows the
STM to enable and disable the RF output.
3FAIL LED indicator
(yellow)
Indicates the LPA is normal (off) or faulty
(yellow).
4 SHUTDOWN LED indicator (red) Indicates the LPA is in service (off) or shutdown
(red).
5 No designation Digital display Provides status and alarm messages. See Note.
Note: A more detailed description of the digital display messages is provided in Section 4.
19730-B
(1) RESET
SWITCH
(2) RF ON/OFF
SWITCH
(3) FAIL
LED
(4) SHUTDOWN
LED
(5) DIGITAL
DISPLAY