User`s manual
User’s Manual
Arctic GPRS Router 11 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
Side Panel Description
The side panel of the device contains all LEDs which are used to indicate the status of the Arctic. The
LEDs are numbered from 1 to 10 starting from the rear panel side. A detailed description of each LED
is listed below:
LED
number
LED Name LEDs state Description
1 Battery Error Backup battery status (optional)
2 Status
3 Power/Error Green Power switched ON
Not lit No power
Red
4 Function Green, Blinking Watchdog operation OK
5 Collision Off Normal operation
Green, Blinking Network collision
6 Activity Steady On Operation voltage connected
Green, Blinking Packets received from the
network
7 ---red/green1
8 ---red/green 2
9 ---red/green 3
10 GPRS Off No GPRS/GSM traffic
Green, blinking GPRS traffic
Red, blinking
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.