Patton electronic 29XX User Manual download pdf (Page 263)

WAN Circuit Configuration—Modify 263

Access Server Administrators’ Reference Guide 22 • T1/E1 Link

• linkYellowOn—Force the transmission of a yellow alarm even if the received signal is in frame.

• linkYellowDisable—Do NOT transmit a yellow alarm even if the received signal is out of frame.

Loopback Config (dsx1LoopbackConfig)

This variable represents the loopback configuration of the DS1 interface. Agents supporting read/write access

should return badValue in response to a requested loopback state that the interface does not support. The val

ues mean:

• dsx1NoLoop—Not in the loopback state. A device that is not capable of performing a loopback on the

interface shall always return this as it's value.

• dsx1PayloadLoop—The received signal at this interface is looped through the device. Typically the received

signal is looped back for retransmission after it has passed through the device's framing function.

• dsx1LineLoop—The received signal at this interface does not go through the device (minimum penetra-

tion) but is looped back out.

• dsx1OtherLoop—Loopbacks that are not defined here.

Send Code (dsx1SendCode)

This variable indicates what type of code is being sent across the DS1 interface by the device. The values mean:

• dsx1SendNoCode—Sending looped or normal data

• dsx1SendLineCode—Sending a request for a line loopback

• dsx1SendPayloadCode—Sending a request for a payload loopback

• dsx1SendResetCode—Sending a loopback termination request

• dsx1SendQRS—Sending a Quasi-Random Signal (QRS) test pattern

• dsx1Send511Pattern—Sending a 511 bit fixed test pattern

• dsx1Send3in24Pattern—Sending a fixed test pattern of 3 bits set in 24

• dsx1SendOtherTestPattern—Sending a test pattern other than those described by this object.

Error Injection (linkInjectError)

Force an output error to see if the other end detects it

• noErrorInjection(0)

• injectCRCerrorBurst(1)

• injectLineErrorBurst(2)

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Patton electronic 29XX User Manual Page 263