Wavetek ANT-20 Operating Manual

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Wavetek ANT-20 Operating Manual Manual pdf 47 page image

ANT-20SE Optical Interfaces; STM-16/OC-48Specifications STM-16, OC-48 S-251.2.4 Clock output [41]For the Generator clock1.3 SDH and SONET TX signals• Generates an STM-16 signal conforming to ITU-T recommendation G.707.• Generates an OC-48 signal conforming to the Bellcore-GR-253 and ANSI T1.105 standards.1.3.1 STM-16 TX signalSTM-16 signal formation:• STM-1 signal, generated internally x 16 (16 x AU-4 or 48 x AU-3)• one STM-1 signal, generated internally (AU-4/AU-3), the other 15 tributaries loaded withHP-UNEQ• one STM-1 signal, generated internally (AU-4/AU-3), the other 15 tributaries from thereceiverSTM-16c signal formation:• complete STM-16 signal from receiver1.3.2 OC-48 TX signalOC-48 signal formation:• STS-1 signals, generated internally and STS-1 signals loaded with UNEQ• STS-3c signal, generated internally x 16• one STS-3c signal, generated internally, the other 15 tributaries loaded with UNEQ• STS-1 signals generated internally, the other 47 tributaries loaded with UNEQ• STS-48 signal from receiver• one STS-3c signal, generated internally, the other 15 tributaries from the receiver1.3.3 ScramblingScrambling is as per ITU-T recommendation G.707.The scrambler cannot be switched off.Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2488.32 MHzConnector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . unbalanced (coaxial)Socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SMAOutput impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 ΩOutput voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ≥ 300 mVpp