ZyXEL NetAtlas User Guide - Page 259
EPON Profile Configuration > Add ONU Profile continued
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Chapter 19 EPON Profile Configuration Table 129 EPON Profile Configuration > Add ONU Profile (continued) LABEL DESCRIPTION US Queue This field displays the queue size (in kilobyte) for the upstream traffic through this link. US Min BW Each link contains one queue only. The number here is multiplied by 4. This field displays the minimum upstream bandwidth guaranteed to this link. US Max BW - means there is no limit on the minimum bandwidth committed to the link. This field displays the maximum upstream bandwidth this link can get. DS Min BW - means there is no limit on the maximum bandwidth. This field displays the minimum downstream bandwidth guaranteed to this link. DS Max BW - means there is no limit on the minimum bandwidth committed to the link. This field displays the maximum downstream bandwidth this link can get. - means there is no limit on the maximum bandwidth. Set... Click Set... to edit a logical link. UNI Setup Unknown Destination MAC Address Specify the action to perform when the ONU receives a frame with unknown destination MAC address. Select Discard to drop the frame(s). Select Flooding to send the frame(s) to all ports. Enable RSTP Select the check box to turn on RSTP on the ONU to prevent network loops. Otherwise, clear the check box to disable it. Enable Local Switching in UNI Ports Select the check box to allow traffic forwarding between the Ethernet ports on a 4-port ONU. Otherwise, clear the check box to stop forwarding traffic between the Ethernet ports on a 4-port ONU. UNI Ports Index This field displays the number of the port on the ONU. Power Down This field displays whether the connection to the ONU is disabled (v) or enabled (x). Autonegotiation This field displays whether the connection to the ONU is established using auto-negotiation for the link speed and duplex mode (v) or not (x). Speed/Duplex This field displays the link speed (10Mbps, 100Mbps or 1000Mbps) and the duplex mode (Half Duplex or Full Duplex) for the connection to the ONU. Flow Control IEEE 802.3x flow control is used in full duplex mode to send a pause signal to the sending port, causing it to temporarily stop sending signals when the receiving port memory buffers fill. UNI Portbased VLAN This field displays whether flow control is enabled (v) or not (x) for the connection to the ONU. NetAtlas EPON Manager User's Guide 259