Fittedoptions：　●AportableanalyserdesignedspecificallyfortroubleshootingSDHandPDHnetworks，frominstallationthroughtomaintenance，andforevaluatingnetworkdevices　●StandardPDH(1.5Mb/s，2Mb/s，8Mb/s，34Mb/s，45Mb/s，140Mb/s)andSDH(52Mb/s，155Mb/s，622Mb/s)bitratesaresupported選裝件　●MP0121A2/8/34/139/156Mb/sunit　●MP0122A1.5/45/52Mb/sunit　●MP0126A2/8/34/139M，1.5/45/52M，156/622MJitterUnit　●MP0126A-01RMSmeasurement　●MP0126A-02Wandermeasurement