ADC RF Wofx, Руководство пользователя

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ADCP-61-813 • Issue 2 • February 2005
Page 3
© 2005, ADC Telecommunications, Inc.
Figure 3. Block Diagram for an Atypical System Configuration
Figure 4 shows the front panel of the RDS-AS. The parts are identified by letter and include a
brief description in Table 1 .
Figure 4. RDS-AS Front Panel
Table 1. RDS-AS Front Panel Description
LETTER NAME DESCRIPTION
A
SWITCHING THRESHOLD
display Indicates the port being displayed and threshold at which each
port (1 or 2) will switch.Displays the start-up sequence status
B
SWITCHING THRESHOLD
toggle switch Selects the port that will be used
Adjusts threshold for the active port
C
CHANNEL A LED When lit, shows A as the active side
D
AMP SELECT toggle switch Selects active channel A or B
E
CHANNEL B LED When lit, shows B as the active side
COMBINER
REDUNDANT
FIBER OPTIC
TRANSPORT
SYSTEM
PORT 1
MICROPROCESSOR
CONTROL
PORT 2
LOWER
CABLE
CHANNELS
UPPER
CABLE
CHANNELS
RECEIVER/AMP
RECEIVER/AMP
PRIMARY SIGNAL
STANDBY
RECEIVER/AMP
SECONDARY
SIGNAL
ALL CABLE
CHANNELS
RF OUTPUT #1
RDS-1
A
B
11782-A
12365-A
A B C D E F G H I J K L