14 S&C Instruction Sheet 1074-510
Description
Interface Pinouts
The RS-232 Interface of the SpeedNet ME Radio is configured as Data Communications
Equipment (DCE). See Figure 4.
6
7
8
9
1
2
3
4
5
Pin
Function
Description
1
NC
No Connection
2
TXD
RS-232 Transmit
3
RXD
RS-232 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 ME Radio RS-232 interface pinout.
The SpeedNet ME Radio Ethernet interface uses an RJ-45 connector with the pinout
shown in Figure 5 below. The Ethernet port is on the rear panel of the SpeedNet ME
Radio. It is auto-sensing for assignment of transmit and receive lines (no crossover
cables required) and auto-negotiates for 10-Mbps or 100-Mbps data rate as required by
the connected device.
1
8
Pin
Function
Description
1
TXD+
Transmit
2
TXD-
Transmit
3
RXD+
Receive
4
NC
No Connection
5
NC
No Connection
6
RXD-
Receive
7
NC
No Connection
8
NC
No Connection
Figure 5. SpeedNet ME Radio Ethernet RJ-45 interface pinout.
Cable Installation
Connection Cables
• Connect antenna to SpeedNet ME Radio.
• Connect Ethernet cable to SpeedNet ME Radio and PC used for configuration.
• Connect power supply to the SpeedNet ME Radio.
