Chapter 11. Specifications

Data Rates (DTE)

When using single DTE interface:

300 bps to 115.2 kbps asynchronous

2400 bps to 128 kbps synchronous

When using dual DTE interfaces:

300 bps to 57.6 kbps asynchronous on each interface

2400 bps to 64 kbps synchronous on each interface

B Channel Aggregation

BONDING Protocol Mode 1. Used for speeds over 64 kbps from a single DTE interface.

RFC 1717 Multilink PPP used for speeds over 57.6 kbps for a single DTE interface.

Rate Adaptation

T-Link

CCITT V.120

CCITT V.110

Clear Channel

SAP

FALLBACK

DSU 57.6 Async

BONDING mode 1

PPP Async-Sync

Multilink PPP

Interoperability

BONDING Mode 1-compatible Inverse Multiplexers (AS- CEND, PROMPTUS, Teleos, etc.)

Switched-56 DSUs (2-wire and 4-wire), ISU 128s, ISDN TAs

PPP/Multilink compatible devices

Switch Compatibility

AT&T 5ESS, NTI DMS-100, National ISDN-1, NEC, Euro IS- DN*, TDX10*, TDX1B*, KDD*, NTT*, and VN4*.

*Only available on part numbers 1200051L5 and 1200051L6.

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ISU 2x64 Dual Port ISDN Service Unit User Manual

61200051L1-1D

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ADTRAN ISU 2X64 user manual SAP Fallback, Only available on part numbers 1200051L5 and 1200051L6