acDs3ConfigDs1ForRemoteLoop 1.3.6.1.4.1.2785.2.3.5.1.1.31

Indicates which ds1/e1 on this ds3/e3 will be indicated in the remote ds1 loopback request. A value of 0 means no DS1 will be looped. A value of 29 means all ds1s/e1s will be looped.