ADTRAN ISU 128 Rate Adaption, Interoperability, Switch Compatibility, Channel Aggregation

Chapter 12. Specifications

Rate Adaption

•T-Link

•CCITT V.120

•CCITT V.110

•SAP

•DSU 57.6 Async

•BONDING mode 1

•V.34 (optional)

•PPP

•MP

Interoperability

•BONDING Inverse Multiplexers

•Switched 56 DSUs

•ISDN TAs

•V.34 modems (optional)

Switch Compatibility

•AT&T 5ESS

•NTI DMS-100

•National ISDN-1

•NEC

B Channel Aggregation

•BONDING Mode 1

•MP

Display

•Two-line by 16 character LCD

•LED indicators

RS	Request to Send.
	Indicates the DTE is ready to transmit.
CS	Clear to Send.
	Indicates the ISU 128 is ready to transmit.
TD	Transmit Data.
	On when the DTE is transmitting to the ISU 128.
RD	Receive Data.
	On when the ISU 128 is receiving data from the far end.
CD	Carrier Detect.
	On when the ISU 128 is connected to a remote unit.

84 ISU 128 User Manual 61202.029L2-1