Avocent Cyclades-PR4000 installation manual CONFIG=CONTROLLER=T1/E1

Cyclades-PR4000
Controller Menu	CONFIG=>CONTROLLER=>T1/E1
Parameter		Description
Frame Mode		T1: ESF (Extended Super Frame, the most common) and D4 are the options.
		E1: CRC4 (the most common) and Non-CRC4are the options.
Line Code		T1: B8ZS (Bipolar 8 Zero Substitution, the most common) and AMI (Alternate Mark
		Inversion). E1: HDB3 (High-Density Bipolar) and AMI.
Signaling Mode		None for channelized lines without signaling (see chapter 7), CCS for ISDN-PRI and CAS
		for analog, modem-based remote access (usually used with telephone networks that do not
		support ISDN).
Clock Mode		Selects the clock mode: Master or Slave.
Line Build Out		Applies only to T1. Sets the attenuation on the TX line. The T1 service provider should
		supply this parameter.
Receiver		Short haul is usually used. Long haul is necessary if attenuation prevents reception of
Sensitivity		data, usually when the router is installed more than 2000 feet from the cable termination.
Companding		Defines the compression mode to be used. Depends on the telephone exchange and the
Mode		E1/T1 provider should supply this parameter. A-lawis usually used for E1 lines and u-law
		is usually used for T1 lines.
Signaling Type		Applies when Signaling Mode is CAS. Selects the signaling type. This should be supplied
		by the service provider. The options are R2-Digital, ITU-T, and R2-Analog.
Tone Signaling		Applies when Signaling Mode is CAS. Will depend on what is expected by the line provider.
		DTMF is the most common tone signaling for T1 and MFR2 Compelled is the most
		common for E1.
Country		Applies when Signaling Mode is CAS. Determines country-dependent signaling
Signaling		parameters.
Switch Type		Applies when Signaling Mode is CCS. Selects the signaling protocol. This should be
		supplied by the service provider.

Chapter 8 - The E1 and T1 Interfaces, With Signaling 58