Standards and Protocol Support
522 7705 SAR OS Router Configuration Guide
DIFFERENTIATED SERVICES
RFC 2474—Definition of the DS Field in the IPv4 and IPv6 Headers
RFC 2597—Assured Forwarding PHB Group
RFC 2598—An Expedited Forwarding PHB
RFC 3140—Per-Hop Behavior Identification Codes
DIGITAL DATA NETWORK MANAGEMENT
V.35
RS-232 (also known as EIA/TIA-232)
X.21
DSL Modules
ITU-T G.998.2—SHDSL 4-pair EFM bonding
ITU-T G.993.2 Annex A and Annex B—xDSL Standards Compliance (ADSL2/2+ and 
VDSL2)
ITU-T G.993.2 Annex K.3—Supported Transport Protocol Specific Transmission 
Convergence functions
ITU-T G.993.2 Amendment 1—Seamless Rate Adaptation 
ITU G.994.1 (2/07) Amendment 1 and 2—G.hs Handshake 
TR112 (U-R2 Deutsche Telekom AG) Version 7.0 and report of Self-Test-Result (ATU-T 
Register#3)
ITU-T G.992.3 (G.dmt.bis), Annex A, B, J, M 
ITU-T G.992.5, Annex A, B, J, M
ITU-T G.992.1 (ADSL)
ITU-T G.992.3 Annex K.2 (ADSL2) 
ITU-T G.992.5 Annex K (ADSL2+)
ITU-T G.998.4 G.inp—Physical layer retransmission
ITU-T G.991.2 Annex A, B, F and ITU-T G.991.2 Amendment 2 Annex G—SHDSL 
standards compliance
ITU-T G.991.2 Appendix F and G—Support for up to 5696 Kb/s per pair 
TR-060—SHDSL rate and reach 
RFC 2684—IEEE 802.2 LLC/SNAP bridged encapsulation while operating in ATM bonded 
mode
GR-1089 Issue 4—Telecom (DSL) Interfaces Protection for a type 5 equipment port
Frame Relay
ANSI T1.617 Annex D—Signalling Specification For Frame Relay Bearer Service
ITU-T Q.922 Annex A—Digital Subscriber Signalling System No. 1 (DSS1) data link layer 
- ISDN data link layer specification for frame mode bearer services.
FRF.1.2—PVC User-to-Network Interface (UNI) Implementation Agreement