EPT1x63 : 63-channel T1 electrical processing board (100ohm) ESE1x63 : 63-channel E1 electrical interface switching board (75ohm) ESE3x6 : 6-channel E3/T3 electrical interface switching board ESFEx8 : Ethernet electrical interface switching board ESS1x4 : 4-channel STM-1 electrical interface switching board ESS1x8 : 8-channel STM-1 electrical interface switching board EST1x63 : 63-channel E1/T1 electrical interface switching board (120ohm/100ohm) LP1x4 : 4-channel STM-1 line processing board LP1x8 : 8-channel STM-1 line processing board OADC4 : 4 Wave-lenth Optical Add/Drop board for CWDM signals(1271/1291/1331/1351+UPG) OADC4 : 4 Wave-lenth Optical Add/Drop board for CWDM signals(1551/1571/1591/1611+UPG) OEIS1x8 : 8-channel STM-1 optical and electrical interface board(L-1.2) OEIS1x8 : 8-channel STM-1 optical and electrical interface board(S-1.1) OEL1x16 : 16*STM-1 optical and electrical process board(8*L-1.1,LC) OEL1x16 : 16*STM-1 optical and electrical process board(8*L-1.2,LC) OL1x4 : 4*STM-1 optical line board(L-1.2,LC) OL1x4 : 4*STM-1 optical line board(S-1.1,LC) OL1x8 : 8*STM-1 optical line board(L-1.1,LC) OL1x8 : 8*STM-1 optical line board(L-1.2,LC) OL16x2 : 2*OL16 optical line board(L-16.1,LC,ASON) OL16x2 : 2*STM-16 optical line board(L-16.2,LC,ASON) OL16 : 2*OL16 optical line board(L-16.2JE,LC,ASON) OL16 : 2*STM-16 optical line board(L-16.2p,LC,ASON) OL64FEC : 1*STM-64 optical line board(L-64.2p,FEC,LC) Considering service diversity and variation of network architecture, inheriting ZTE's technology patents and experience in the field of SDH and implanting new technological contents in SDH equipments, ZTE launchesZXMP S385, an intelligent STM-16/STM-64 multi-service transport platform designed advanced technology, allowing customers to build the efficient and competitive network.