Alcatel-Lucent 1643 AMS User's Operation Manual page 426

Traffic provisioning
X4IP-V2 option card and X = 1...63 when using the X8PL option card.. Usage is in
conformance with ITU-T G.707 Clause 11 (2000 Edition) and G.783 Clause 12.5
(2000).
Additionally, the use of G.707 Extended Signal Label is supported using V5 (bits 5-7)
field.
VC3–Xv GFP encapsulation
The 1643 AM and 1643 AMS support virtual concatenation of Lower Order SDH
VC-3 as inverse multiplexing technique to size the bandwidth of a single internal WAN
port for transport of encapsulated Ethernet and Fast Ethernet packets over the
SDH/SONET network. This is noted VC3–Xv, where X = 1,2 (SDH). For X8PL also
VC3-3v is supported. Usage is in conformance with ITU-T G.707 Clause 11 (2000
Edition) and G.783 Clause 12.5 (2000) and T1X1 T1.105 Clause 7.3.2 (2001 Edition).
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8-74 Alcatel-Lucent - Proprietary
See notice on first page
Ethernet mapping schemes
365-312-807R7.2
Issue 4, May 2007