This soft copy for use by IBM employees only.
4.8 ATM WAN Module
The ATM WAN Module is a
•Provides
•Supports
•
•
•
•
•
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Interfaces directly to the circuit installed by your service provider.
Supports both UNI and NNI.
Supports reserved bandwidth (RB) service (QOS class 1 under UNI 3.0).
Is
Supports both internal and external clocking.
Up to 3 ATM WAN Modules can be supported in the 8285 Expansion Chassis, providing up to 6 ATM WAN ports.
•Features four standard interfaces:
−Two backplane interfaces:
-An ATM backplane interface, which enables both data and control flows to the
-A standard
−Two I/O interfaces, which enable the attachment of any combination of the following I/O cards:
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-
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For each of these cards, the receive port is the left one, and the transmit port is the right one.
4.8.1 A02 WAN ATM Physical Interface Supported
The following table lists the ATM physical interfaces with WAN module interfaces supported:
Table 6 (Page 1 of 2). ATM Physical Interface Support
Layer | Rate (Mbps) | Cable | Coding | A02 WAN |
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| Support |
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2488 | SMF | No | ||
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1244 | SMF | No | ||
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622.08 | SMF | No | ||
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