This is an Expanded test mask of the prtSTestMask object. The prtSTestMask object reached its maximum, being an Integer with 32 bits. This object indicates which tests from the 'prtSTstCmdXP' list are allowed for the selected port. If a specific test is allowed, its respective bit will be SET in the mask : TEST BIT local-loop 1 remote-loop 2 loc-and-rem-main-loops 3 remote-analog-loop 4 remote-digital-loop 5 rem-loop-on-ext-unit 6 bert 7 tone-injection 8 dlci local-loop 9 all dlci local-loop 10 dlci remote-loop 11 all dlci remote-loop 12 bert-and-rem-loop-on-rem-unit 13 rem-loop-on-rem-unit 14 block 15 backward-tone-inject 16 llb 17 rlb 18 ft1Enable 21 lbbd 22 lb1 23 lb2 24 llb-on-rem-unit 25 bert-on-rem-unit 26 bert-on-rem-and-llb-on-rem-unit 27 local-and-bert-on-rem-unit 28 local-loop-on-rem-unit 29 localBert 30 test-per-TS 31 csuLoopAndBert 32 dsuLoopAndBert 33 remoteOcuLoopAndBert 34 remoteCsuLoopAndBert 35 remoteDsuLoopAndBert 36 e.g : If the return value is 00000003 hex -> Bits 1 & 2 are set -> the allowed tests are : local-loop remote-loop