ALxxF Microwave Radio Indoor Unit (IDU) Users Manual - Meconet
ALxxF Microwave Radio Indoor Unit (IDU) Users Manual - Meconet
ALxxF Microwave Radio Indoor Unit (IDU) Users Manual - Meconet
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• Data rate: 57600 bps<br />
• 1 start bit<br />
• 8 data bits<br />
• No parity<br />
• 1 stop bit<br />
5<br />
9<br />
Figure 5 Pin Definitions for Female 9 Pin Sub-D Connector (as seen by looking at<br />
front panel)<br />
Pin # Signal Name Direction Signal Description<br />
1 NC<br />
2 TXD Out Transmit Data (from <strong>IDU</strong>)<br />
3 RXD In Receive Data (to <strong>IDU</strong>)<br />
4 NC<br />
5 GND N/A Ground<br />
6 NC<br />
7 NC<br />
8 NC<br />
9 NC<br />
1.2.6. DC Power<br />
Table 3 CLI Connector Pinout<br />
6<br />
DC Power is provided via a three terminal connector, as indicated in Figure 6.<br />
A switch internal to the <strong>IDU</strong> must be set to the desired polarity.<br />
For positive voltage operation:<br />
• Internal power switch must be set for “+24V” operation<br />
• Connect positive terminal of external supply to “+V” terminal of<br />
ALXXF<br />
• Connect negative terminal of external supply to “-V” terminal of<br />
ALXXF.<br />
• Connect negative terminal of external supply to “GND” terminal of<br />
ALXXF.<br />
1<br />
ALCOMA Proprietary Page 10 of 16
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