Install an air filter when the 8800 chassis is in a dusty or unfiltered environment. Once the filter is installed, you should inspect and/or replace the air filter periodically, or whenever the fan alarm is active. Installing the Replacement Air Filter ► Procedure To install the replacement air filter: 1. Unfasten the screws on the cover plate and remove it. 2. Remove the old air filter by sliding it out. 3. Slide the replacement air filter into the air filter channel guides. 4. Replace t

. When Mux Fwd is disabled, the DSLAM forwards traffic based on a destination MAC address. Either enabled or disabled, traffic is forwarded on ports having the same VLAN designation. IP Filter – Enable/Disable (Default = Disable). There must be an entry in this field. . When IP filtering is enabled, the DSLAM looks at IP traffic from the subscriber to authenticate the source IP address. . When IP filtering is disabled, traffic passes all protocols. This does not apply to packets that are not IP

window probes – Packets received looking for space in our receive window. window update pkts – Packets received from the remote system advertising a new window size. pkts rcv after close – Packets received after the (our) TCP connection is shut down. discarded for bad checksum – Packets that were discarded because the checksum failed. discarded for bad header offset fields – Packets discarded because the TCP header was corrupted. discarded because packet too short – Packets discarded because the

U USER’S GUIDE Document No. 7510-A2-GB20-00 March 1997 Copyright 1997 Paradyne Corporation. All rights reserved. Printed in U.S.A. Notice This publication is protected by federal copyright law. No part of this publication may be copied or distributed, transmitted, transcribed, stored in a retrieval system, or translated into any human or computer language in any form or by any means, electronic, mechanical, magnetic, manual or otherwise, or disclosed to third parties without the express written