This variable indicates what type of code is
being sent across the DS1 interface by the device.
Setting this variable causes the interface to send
the code requested. The values mean:
ds1SendNoCode
sending looped or normal data
ds1SendLineCode
sending a request for a line loopback
ds1SendPayloadCode
sending a request for a payload loopback
ds1SendResetCode
sending a loopback termination request
ds1SendQRS
sending a Quasi-Random Signal (QRS) test
pattern
ds1Send511Pattern
sending a 511 bit fixed test pattern
ds1Send3in24Pattern
sending a fixed test pattern of 3 bits set
in 24
ds1SendOtherTestPattern
sending a test pattern other than those
described by this object