G3S-800-180-029 Installation & Service Manual
Copyright Powerwave Technologies, Inc., April 2002. All rights reserved
044-05112 Rev. A
2-5
April 2002
Table 2-4 Amplifier Module DC and Logic Connector Definition
Pin
Function
Description
A1
Power Input
+27 Vdc (Power Contact)
A2
Power Input
+27 Vdc (Power Contact)
A3
Ground
Ground (Power Contact)
A4
Ground
Ground (Power Contact)
1
RS485 +TxD
Serial Communication Data Out
2
RS485 +RxD
Serial Communication Data In
3
Service Loop
TTL input to Amp. Gnd. for special test mode (Note 1)
4
MCPA Disabled
(Summary Fault)
TTL signal normally low indicates MCPA enabled. A high level indi-
cates that the MCPA has been disabled. Over Power, Over Voltage
takes one second to activate the signal.
5
Mod Addr 0
TTL input to Amp. Gnd. supplied by shelf to identify slot.
6
Mod Addr 1
TTL input to Amp. Gnd. supplied by shelf to identify slot.
7
TP1
TTL output. Future test point.
8
Manual Download
GND to download manually
9
DC on stat
TTL output. High indicates Amp is powered on.
10
RS485 –TxD
Serial Communication Data Out
11
RS485 –RxD
Serial Communication Data In
12
SCL7
No connection
13
SDA7
No connection
14
FP Disable Output
Output, GND if the front panel switch is in the OFF position; +5 volts
indicates the front panel switch is in the ON position.
15
FP RST
Output, GND if the front panel switch is in the RESET position; +5 volts
otherwise.
16
GND
Ground
17
Module Detect
Ground potential. Informs the subrack that an MCPA is plugged in.
Note 1: Service loop grounded allows the MCPA to be enabled or disabled by the front panel
switch when not mounted in the shelf.
2-6.2
Amplifier Module RF Connector
The amplifier has separate RF connectors, which are used for the RF signal input and output.
The RF connections on the amplifier connector are made through two BMA female coaxial con-
nectors (figure 2-3) and are listed and described in table 2-5.
Figure 2-3 Amplifier RF Connector
Table 2-5 Amplifier RF Connector Definition
Pin
Function
Description
A1
RF Input
BMA Coaxial Female, Radiall
A2
RF Output
BMA Coaxial Female, Radiall
A1
A2
