Nortel 1110 Installation And Operation Manual page 519

Appendix B: 802.1Q VLAN description
Page 519 of 630
During manual configuration, if DATA VLAN is enabled by configuring a
VLAN ID, the PC-Port Untag All check box is selected and is enabled by
default. By default, the egress tag is stripped. To manually override this
setting and disable egress stripping, clear the PC-Port Untag All check box.
If DATA VLAN is not enabled during manual configuration, the PC-Port
Untag All check box is not selected. By default, the ingress tag is not stripped.
To manually override this setting and enable ingress stripping, select the PC-
Port Untag All check box.
IP Phones Description, Installation, and Operation