User's Manual

System Configuration Guide
www.vyyo.com
Adding a Modem to the XMTS – p. 60
6.
NOTE: “Best effort channel” or “CIR channel” are typically
used for a data-only modem. An “E1 channel” must be
used when the modem supports E1/T1 connections and
data. These settings correspond to the desired SLA
(Service Level Agreement.)
1. The “Tx backoff” settings control the scheduling algorithms used in
the upstream channel. The default values should be used unless your
system engineer has indicated otherwise.
2. Ensure that the “Optimize channel parameters” box is checked. This
causes the XMTS to maximize the efficiency of the channel usage for the
different types of modems assigned to it.
3. Click on the Update button at the bottom of the screen to save the
new settings.
7.
Figure 5-24: Updating the Upstream Channel Settings