User's Manual

INSTALLATION
Interface Pinouts
The RS-232 Interface of the SpeedNet Radio is configured as Data Communications Equipment
(
DCE
)
.
Pin Function
Description
1 NC No Connection
2 TXD RS-233 Transmit
3 RXD RS-233 Receive
4 NC No Connection
5 GND Signal Ground
6 NC No Connection
7 CTS Clear to Send
8 RTS Request to Send
9 NC No Connection
Figure 4. SpeedNet Radio RS-233 Interface Pinout.
14
1072-510
If you are using different cables, always verify cable loss prior to installation.
N
OTE: Table 4 assumes 1 watt output power from the SpeedNet Radio.
Antenna Gain Cable Type/length/loss
EIRP
+8.2 dBi 135' LMR-900, 2.3 dB loss +35.9 dBm
+10.2 dBi 250' LMR-900, 4.3 dB loss +36.0 dBm
+12.1 dBi 310' LMR-900, 5.3 dB loss +35.9 dBm
Table 4. Antenna Cable Loss Examples with LMR-900 Cable.
N
OTE: Table 3 assumes 1 watt output power from the SpeedNet Radio.
Antenna Gain Cable Type/length/loss
EIRP
+8.2 dBi 90' LMR-600, 2.3 dB loss +36.0 dBm
+10.2 dBi 170' LMR-600, 4.3 dB loss +36.0 dBm
+12.1 dBi 210' LMR-600, 5.3 dB loss +36.0 dBm
Table 3. Antenna/Cable Loss Examples with LMR-600 Cable.