Note 1:
Collisions are not detected by the device operating in full-duplex mode: packets from this device are
never re-transmitted if a collision occurs on them.
The following table lists all possible Ethernet port configuration combinations when connecting
an IP Touch set to an external device (switch on LAN side, PC on PC side). For each combination,
the table shows the link status: valid or invalid (duplex or speed mismatch), as described above.
table 2.2: Ethernet Link Combinations
Terminal Port External Device Port Link Status
1 auto-negotiation auto-negotiation Valid
2 auto-negotiation 100-FULL Invalid (packet loss)
3 auto-negotiation 100-HALF Valid
4 auto-negotiation 10-FULL Invalid (packet loss)
5 auto-negotiation 10-HALF Valid
6 100-FULL 100-FULL Valid
7 100-FULL 100-HALF Invalid (packet loss)
8 100-FULL 10-FULL Invalid (no link)
9 100-FULL 10-HALF Invalid (no link)
10 100-HALF 100-HALF Valid
11 100-HALF 10-FULL Invalid (no link)
12 100-HALF 10-HALF Invalid (no link)
13 10-FULL 10-FULL Valid
14 10-FULL 10-HALF Invalid (packet loss)
15 10-HALF 10-HALF Valid
Note 2:
To prevent slowness problem on PC when the two ports of an Alcatel-Lucent IP Touch 4008 EE/4018 EE or
Alcatel-Lucent IP Touch 4008 EE/4018 EE phone Extended Edition set are configured in auto-negotiation
mode, if the negotiation has led to a 10 Mbps rate on the PC port and a 100 Mbps rate on the LAN port,
the IP Touch set automatically tries to renegotiate a 10 Mbps rate on the LAN port.
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