4
Section One: Introd uction
1.3 Equipm ent Performance
1.3.1 ATM layer
The equipment will be fully compatible with the showed on the figure 1of
the ANSI T1.413-1998
1. Adaptation layer
The modem will implement the adaptation layer AAL5, as requested by the
recommendation ITU I.363.5
2. VCs
Support for non-zero VPIs is limit to PVCs only.The full VPI range(0~4095)
is supported.The full VCI range(1~65536) is supported. Low-num bered
VCIs on VPI0 are looked up.
3. Servi ce class
The modem will support : CBR,UBR,rt-VBR,nrt-VBR
4. OAM streams
The modem supports OAM F5 s tream.
5. ATM signaling & ILMI
The modem suppor ts ATM Formun UNI 3.0,3.1,UNI4.0& IISP signaling
bas ed on UNI3.0 or UNI3.1 usi ng SS COP as a data tr anspor t.The
implementation of ILMI is based on the ATM Forum's ILMI v4.0 specification.
1.3.2 Protocols
1. Br idge
It provides a tr ansparent and a spanning-tree bridge.
2. RFC 1483 br idged
The RFC in use i s the 2684, , the 1483 and 2684 are admi tted for LLC
encaps ulation and VC multiplexing for bridged tr affic.
