Safety Instructions
S&C Instruction Sheet 1076-510 9
Installation
Interface Pinouts
The RS-232 Interface of the SpeedNet Cell Edge Gateway
is congured as data-terminal equipment. See Figure 4.
The SpeedNet Cell Edge Gateway Ethernet ports use
RJ-45 connectors with the pinout shown in Figure 5. The
Ethernet ports are on the front panel of the SpeedNet Cell
Edge Gateway. They are auto-sensing for assignment of
transmit and receive lines (no crossover cables required)
and auto-negotiate for 10-Mbps or 100-Mbps data rates, as
required by the connected device.
Figure 4. SpeedNet Cell Edge Gateway RS-232 interface pinout.
Pin Function Description
1 NC No Connection
2 RXD RS-232 Receive
3 TXD RS-232 Transmit
4 NC No Connection
5 GND Signal Ground
6 NC No Connection
7 RTS Request to Send
8 CTS Clear to Send
9 NC No Connection
Figure 5. SpeedNet Cell Edge Gateway RJ-45 interface pinout.
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