Analyzer SDH/PDH STM-1/-4 electrical and optical 1310/1550 Dual with RS-232 port, Ethernet, CF Slot. With electrical interfaces: DS1, E1, E3, DS3, E4, STM-0e/1e; STM-1/-4. Optical interfaces: STM-1/-4 Dual 1310 SR/1550 LR Pout: -8 to -15 dBm / 0 to -5 dBm. Connectors: FC/PC. With options PDH Mux / Demux incl. , SDH AU3/SONET VT Mapping and ATM e PMP sensitivity.