Physical Description
User Manual forAZ710 Up Converter
version 1.2
6
SHAPING THE FUTURE OF SATELLITE COMMUNICATIONS
Pin Name
Function
6
Rx-B
Receive Data B (output)
7
Not
connected
8
Not
connected
9
Tx-B
Send Data B (input)
Table 1 - RS485 pin configuration
RS232 serial interface:
Pin Name
Function
1 GND Shield
ground
2
Rx-D
Receive Data (input)
3
Tx-D
Transmit Data (output)
4
DTR
Data Terminal Ready (output)
5 GND Signal
ground
6
Not
connected
7
RTS
Request to send (output)
8
CTS
Clear to send (input)
9
Not
connected
Table 2 - RS232 pin configuration
3.2.1.3 Contact closure alarm outputs
You can use the contact closure alarm contacts to drive external alarm indicators
(sirens, flashlights, etc.) or to connect to a redundancy switching system.
Figure 7 - Contact closure alarm outputs
1 ok
3 alarm
2 Common
general alarm
1 ok
3 alarm
2 Common
general alarm
Figure 8 - Contact closure alarm connections
Pin 2 and 4 are either floating or tied to chassis earthing.