Operations Manual, HPA2, Compact Outdoor SSPA
208495 REV B
29
Table 3-2
shows the pin-outs for the J4 Monitor & Control Connector for units that cannot
communicate via Ethernet (units with serial numbers prior to 300,000).
Signal
Type
Function
Pin
Notes
Mute Input
Closure to Ground
Disables DC Power to SSPA
B
Unit powers up muted,
This line must be pulled to ground
(V or d) to enable amplifier
Auxiliary Input
Closure to Ground
Auxiliary Fault Input
P
Summary Alarm
Form C Relay
Closed on Fault
Common
Open on Fault
L
a
b
L-a : normally open
a-b : normally closed
Auxiliary Alarm
Form C Relay
Closed on Fault
Common
Open on Fault
N
Z
M
N-Z : normally open
Z-M: normally closed
Open Collector
High on Fault
W
Reserved
Auxiliary Alarm
Open Collector
High on Fault
G
Requires external pull-up
Voltage Alarm
Open Collector
High on Fault
H
Requires external pull-up
Current Alarm
Open Collector
High on Fault
J
Requires external pull-up
Temperature Alarm
Open Collector
High on Fault
X
Requires external pull-up
Spare Fault
Open Collector
High on Fault
S
Requires external pull-up
RF Power Detector
Analog Output
Relative Indication of RF Output
Power
R
+4.0 vdc at Psat
Gain Adjust Input
Analog Input
Adjusts Amplifier Gain over 20dB
range
A
2.5 vdc = Max Gain 75dB
0.5 vdc = Min Gain 55dB
Block Up Converter
Alarm
Open Collector
High on Fault
f
Requires external pull-up
RS232 / RS485
Select
Closure to Ground
Selects Serial Communication
D
Default is RS 485; pull to ground (V)
to enable RS 232
RS 485 TX- or
RS232 OUT
Serial TX Output
Serial Link Data Port
E
RS 485 RX- or
RS232 IN
Serial RX Input
Serial Link Data Port
F
9600 default Baud Rate
RS 485 TX+
Serial TX Output
Serial Link Data Port
T
RS 485 RX+
Serial RX Input
Serial Link Data Port
U
GND
Signal Ground
Common Signal Return
V, d
Baud Select 0
Closure to Gnd
Select Baud Rate & Protocol
j
Refer to Section 11
Baud Select 1
Closure to Gnd
Select Baud Rate & Protocol
e
Refer to Section 11
PGM Switch
Flash Firmware Port
g
Reserved for Programming
PGM CLK
Flash Firmware Port
c
Reserved for Programming
PGM-Sout
Flash Firmware Port
K
Reserved for Programming
PGM-Sin
Flash Firmware Port
Y
Reserved for Programming
PGM +5V
Flash Firmware Port
h
Reserved for Programming
PGM Enable
Flash Firmware Port
C
Reserved for Programming
Table 3-2: Monitor & Control Connector (J4) Pin-Out (Non-Ethernet)
Содержание 205486 REV F
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