Zhone IMACS 8000, User Manual

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Server Cards 24-1
PWE Card Introduction
Chapter 24
PWE Card
24.1 Introduction
This chapter provides installation, configuration, and troubleshooting information for the
Pseudowire
3
(PWE) IP uplink card.
Please note that the 7.5.4 CPU software release of the PWE card is a virtually new offering of
the PWE technology due to the number of enhancements to the capabilities that are now
offered. An upgrade from the previous GA release (7.5.1) is therefore not supported. Prior to
a system upgrade to 7.5.4, any PWE card commissioned on the 7.5.1 release will need to be
deleted. Please see the upgrade section in “Upgrades Preparation” in chapter 7 page 52 for
further information. Also note, the PWE card should be running the 1.2.1 load as shown in
Figure 24-5. If it is not, the card MUST be upgraded before any provisioning takes place. The
most current upgrade procedures can be found in the specific card software release note
documentation. If you do not have the current release notes for 7.5.4 or PWE card load 1.2.1,
contact Zhone for assistance.
24.2 PWE Card Description
24.2.1 PWE Card Description
The introduction of the 883570 PWE Server card introduces an GigE uplink from the IMACS
shelf. This card conforms to Pseudowire
3
standards for TDM to IP data transmission, and can
operate in either E1 or T1 mode.
The PWE server card can terminate eight T1 or E1 facilities to the IMACS backplane for local
terminations.
As displayed in Figure 24-1, the IMACS PWE card initially can be utilized in a point to point
configuration. Each end is capable of interfacing eight full T1/E1 CES facilities to the
backplane. Bundles smaller than the full bandwidth facility is presently not supported.
The use of the 883570 card in the IMACS shelf allows the operator to assign facilities to the
PWE uplink. The IMACS shelf can continue to support traditional WAN electrical facilities
on a shelf with the PWE card commissioned and in use, however the total available bandwidth
continues to be eight facilities whether it be on the PWE card or through traditional WAN
equipment.