User manual

CHAPTER 2. HARDWARE DESCRIPTION 10
2.5.2 Ethernet WAN
Arctic 3G has one physical port for Ethernet WAN. Specifications are shown in table 2.4.
Connector
Number of ports 1
Speed 10Base-T, 100Base-TX
Duplex Half and Full
Auto-negotiation Yes
Recommended cabling Cat5 or better
Table 2.4: Ethernet WAN specifications
If Ethernet WAN interface is directly connected to computer, crossover cable must be used. Ethernet WAN
interface does not support automatic MDI/MDIX detection.
2.5.3 Ethernet LAN
Arctic 3G has three physical ports for Ethernet LAN. These ports are connected to a common switch. Specifications
are shown in table 2.5.
Connector
Number of ports 3
Speed 10Base-T, 100Base-TX
Duplex Half and Full
Auto-negotiation Yes
Recommended cabling Cat5 or better
Table 2.5: Ethernet LAN specifications
If Ethernet LAN interface is directly connected to computer, both crossover and straight cables can be used.
Ethernet LAN interface supports automatic MDI/MDIX detection.
2.6 Serial ports
Arctic 3G has two application serial ports and one serial console port.
Serial port 1 is configurable to multiple serial formats (RS-232/422/485), while serial port 2 supports only
RS-232 data mode.
Serial port connectors are 9-pin D-sub (male) connectors. Serial ports enact as DTE devices.
2.6.1 Serial console port
Serial console connector is located in Arctic 3G front panel (see figure 2.1). Connector type is RJ45. Connector is
described in table 2.6.
Connector diagram
Pin Function
1 CTS
2 DSR
3 RXD
4 GND
5 GND
6 TXD
7 DTR
8 RTS
Connector pinout
Baud rate 115200
Data bits 8
Parity No parity
Stop bits 1
Flow control No flow control
Serial port configuration
Table 2.6: Serial console