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WAN Circuit Configuration—Modify 262
Access Server Administrators’ Reference Guide 22 • T1/E1 Link
Robbed-Bit Signalling Protocol (linkSignalling)
This variable determines which robbed bit signalling technique is used. The techniques designated OFFICE
are used to simulate the central office site. These allow back to back connection of access servers. This is set
only when the signal mode is robbedBit(2)
• linkGroundStart(1)
• linkLoopStart(2)
• linkOfficeGroundStart(3)
• linkOfficeLoopStart(4)
• linkEMWinkStart(6)
• linkEMImmediateStart(7)
• linkTaiwanR1(8)
Message-Oriented Switch Type (linkIsdnSwitchType)
This object allows the selection of the ISDN variations on the ISDN protocol, depending on the brand of
switch to which the access server is connected. This only needs to be set when messageOriented is chosen for
signalling protocol.
• ni1(0)—National ISDN-1
• dms(1)—Northern Telecom
• att(2)—AT&T Lucent
• ctr4(3)—E1 ISDN
• ts014(4)—Australia AUSTEL
• ins1500(5)—Japan
• nfasSlave(7)—T1 that uses the D channel of another T1 for signalling
NFAS Interface ID (linkNfasInterfaceId)
The ID number assigned to the PRI by the telephone company. The interface ID is used by the common D
channel to determine which PRI in the NFAS group will receive the incoming call.
NFAS Primary WAN (linkNfasPrimaryPointer)
The WAN port that the PRI with the common D channel is plugged into.
Test Settings
This portion of the WAN Circuit Configuration window contains information described in the following
sections.
Force Yellow Alarm (linkYellowForce)
This variable identifies which standard will be used to transmit and identify the Yellow Alarm.
• linkYellowAuto—Do not force the transmission of a yellow alarm. But, yellow alarm may be automatically
transmitted.