8
Connecting the Ethernet Line
If a G.SHDSL connection has not yet been made, the Ethernet link will remain disabled
(as indicated by solid illumination of the Ethernet 100, Act and Lnk LEDs) until at least
one of the four G.SHDSL links has been established.
Duplex Mode
The 10/100 Ethernet port auto-negotiates speed and duplex mode in accordance with
the remote equipment to which it is connected; Ethernet speed and duplex mode
configurations cannot be hard set on the SNE2040G. For the best connection results,
the remote device (PC, hub, or switch) should be set to auto-negotiate speed and duplex
mode as well. If the remote device cannot be configured to auto-negotiate, speed may
be hard set at either 10 Mbps or 100 Mbps but duplex mode must be hard set to Half
Duplex; a 10/100 Ethernet connection will not operate properly if the remote device is
hard set to Full Duplex.
Half Duplex – Receive and transmit functions are mutually exclusive; data
transmission occurs in only one direction at a time. Packet collisions are not
unusual.
Full Duplex – Receive and transmit functions occur simultaneously, effectively
doubling aggregate bandwidth and preventing packet collisions.
10/100 Ethernet RJ45 Pinouts
Table 3. Ethernet RJ45 Connection
Pin
Connection
1
Rx+
2
Rx–
3
Tx+
4
not used
5
not used
6
Tx–
7
not used
8
not used
