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61202.029L2-1 ISU 128 User Manual 47
Chapter 7
Protocol Options
PROTOCOL OPTIONS
The ISU 128 communicates with many different types of telecommunication
equipment including other ISU 128s, ISDN terminal adapters, Switched 56
DSUs, BONDING-compatible inverse multiplexers, and V.34 (1202029L3 only)
compatible analog modems. Communicating between such diverse types of
equipment requires the use of various rate adaptation protocols to support
various bit rates and DTE settings. Figure 7-1 illustrates the menu tree for set-
ting protocol options. The ISU 128 supports the following rate adaptation pro-
tocols:
• Clear Channel (no rate adaption protocol)
• BONDING mode 1 (Bandwidth on Demand Interoperability Group)
• CCITT V.120
• CCITT V.110
• V.34 (for communicating with analog modems)
V.34 is only available in PN 1202029L3
• DSU 56.7 Async (for communication with ADTRAN DSUs)
• TLINK (Dial Switched 2-wire 56 or Datapath DSU)
• SAP (Simple ADTRAN Protocol)
• FALLBACK
• Point-to-point protocol (PPP) asynchronous to synchronous conversion