Anritsu 5665-000-XTA CMA5000 XTA 10G-1550nm module. Test Module for T-Carriers/PDH and SONET/SDH technologies up to 10Gig It provides: *Optical interfaces at 1550nm for OC192 and STM64 *Optical interfaces at 1310nm and 1550nm for OC3/12/48 and STM1/4/16 *Electrical interface