The ML-Series cards on the ONS 15454 and ONS 15454 SDH support two modes of the POS framing mechanism, GFP-F framing and HDLC framing (default). The framing mode, encapsulation, and CRC size on source and destination POS ports must match for a POS circuit to function properly. "POS on ONS Ethernet Cards," explains the framing mechanisms, encapsulations, and cyclic redundancy check (CRC) bit sizes in detail.
Supported encapsulation and CRC sizes for the framing types are detailed in Table 8-3.
Table 8-3 Supported Encapsulation, Framing, and CRC Sizes for ML-Series Cards on the ONS 15454 and ONS 15454 SDH
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