Specifications

16
2.2.2 LAN ports and MGMT port
The EFM modem has four LAN ports and one MGMT Ethernet port. Those ports are
auto-negotiating and auto-crossover. In 10/100Mbps Fast Ethernet, the speed can be 10Mbps
or 100Mbps and the duplex mode can be half duplex or duplex.
An auto-negotiating port can detect and adjust to the optimum Ethernet speed(10/100 Mbps)
and duplex mode(full duplex or half duplex) of the connected device.
The auto-crossover(auto-MDI/MDI-X) function automatically works with a straight-through or
crossover Ethernet cable.
2.2.3 Console Port
Connect the RJ-45 jack of the console cable to the console port of the EFM modem. Connect
the DB-9 female end to a serial port( COM1 , COM2 or other COM port) of your computer.
The wiring diagram of console cable is as followings:
The pin assignment of RJ-45 modular jack of the console cable:
Pin Number Abbrev. Description Figure
1 DSR DCE ready
2 DCD Received Line Signal Detector
3 DTR DTE ready
4 GND Signal Ground
5 RXD Received Data
6 TXD Transmitted Data
7 CTS Clear to Send
8 RTS Request to Send
1 8
1 8
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