RFL 9780 RFL Electronics Inc.
November 1, 2000 7-4 (973) 334-3100
7.4 CONTROLS AND INDICATORS
Figure 7-2 shows the location of all controls and indicators on the RFL 9780 Tx Logic Module. These
controls and indicators are described in Table 7-2. Some of the controls and indicators are accessible
when the module is installed in the chassis and others are accessible only when the module is removed
from the chassis or is on a card extender.
Table 7-2. Controls and indicators, RFL 9780 Tx Logic Module
Component
Designator
Name/Description Function For more
information
See paragraph:
DS1 LED Indicator (Trip Input
1)
Lights when trip key input 1 is active. NA
DS2 LED Indicator (Trip Input
2)
Lights when trip key input 2 is active. NA
DS3 LED Indicator (Tx Fail) Lights when transmitter failure has occurred. NA
SW1 DIP Switch SW1 (1) Trip latch (TX) 7.4.1
SW1 (2-4) Power boost level 7.4.2
SW1 (5) Trip override (Voice muted during
trip)
7.4.3
SW1 (6) Voice enable 7.4.4
SW1 (7-8) Keying modes (System type) 7.4.5
SW2 DIP Switch SW2 (1) Polarity of TRIP frequency to be
transmitted
7.4.6
SW2 (2) TRIPIN_1 input contacts 7.4.7
SW2 (3) TRIPIN_2 input contacts 7.4.7
SW2 (4-8) Not Used NA
SW11 Push button Switch Trip reset pushbutton (used with Trip latch option) NA
TP1 Test point (Oscillator Y1) Clock frequency of 3.584 MHz. NA
TP3 Test point (Digital Ground) Signal ground NA
TP6 Test point (Trip Input 1) Monitor solid-state relay keying input #1. NA
TP7 Test point (Trip Input 2) Monitor solid-state relay keying input #2. NA
TP14 Test point (Transmitter
Fail)
Transmitter fail signal received from Power Amp that
drives TX Fail alarm relay.
NA
TP15 Test point (Trip Sent
Relay)
Trip command keyed. NA
TP21 Test point (SS IN 1) Optional – not defined. NA
TP22 Test point (SS IN 2) Optional – not defined. NA
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