User`s manual

User’s Manual
Arctic GPRS Gateway 12 Viola Systems Ltd.
Ethernet Connector
Arctic has an RJ45 connector for 10/100 Mbps Ethernet connection. Maximum length of the Ethernet
cable is 100m.
The figure and pin description of the Arctic’s RJ45 Ethernet connector is as follows:
Pin
Number
Name Direction Explanation
1 Rx+ IN Data Receive Positive
2 Rx– IN Data Receive Negative
3 Tx+ OUT Data Transmit Positive
4 NC
5 NC
6 Tx– OUT Data Transmit Negative
7 NC
18
8 NC
I/O Connector (optional)
The Arctic is available with 2 different (manufacturing option) I/O connectors. The basic configuration
consists of 8 digital inputs, 2 digital outputs (see Chapter 6).
Note: The cross-connected cable is only for connecting the Arctic to the PC’s network interface
card. When connecting to a local network (e.g. hub or switch), a direct Ethernet cable must be
used.