it conforms to ITU-T technology standards and the national technology system light synchronous transmission network. It can test network error code, jitter, pointer, bolt, insertion/drop, and other parameters of SDH/PDH. The test set is versatile. It can be widely used in the fields of development,
Error type | single | ratio (10-N) |
frame | √ | N frame in the four frames (N=1~4) |
B1,B3,HP-REI,HP-IEC | √ | N=4~9 |
B2,MS-REI | √ | N=3~9 |
BIP-2,LP-REI | All errors | / |
Open and cancel bit error | √ | / |