Tektronix 7 sdhrx free download

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Setting SDH Receive Parameters This section describes how to manually set the receive line rate, define the AU under test, set the payload mapping and content, check the received optical signal power, and view the overhead bytes. The CTS850 SDH/PDH Test Set contains independent transmit and receive modules. One set of parameters controls the transmit module and a separate set controls the receive module. You can set the receive parameters independent of the transmit parameters or you can choose to link them to the transmit settings. Pressing AUTOSCAN sets the receive parameters automatically based on the received signal. Steps for Setting Parameters The sequence of steps for setting receive parameters varies with the type of signal to be received. Figure 3 49 shows the sequence of steps required to set the receive parameters for an SDH signal without demapping a PDH signal. Figure 3 50 shows the steps required to set the receive parameters for an SDH signal when demapping a PDH signal. See a later section for details on setting PDH signal parameters (for example 2 Mb/s). CTS850 SDH/PDH Test Set User Manual 3 119 Setting SDH Receive Parameters Set Specify AU Set Set Set Test Rate Under Test Structure Payload Pattern Figure 3 49:Sequence for Setting SDH Signal Parameters Set Set Specify TU Rate Structure Under Test Set Payload and Set Set Test Set Active Channel Payload Payload Pattern (Depending on TU Drop to Framing Chosen ON Figure 3 50:Sequence for Setting SDH Signal Parameters When Demapping a PDH Signal Setting the Receive Rate To set the receive rate: Press Menu Select Menu Highlight Button Page Parameter Select Choice RECEIVE RECEIVE Receive Rate as appropriate SETTINGS (see Figure 3 51) H Select STM-1E, STM-1, STM-4, STM-0E, or STM 0 to receive an SDH signal. H Select 2 Mb/s Balanced or Unbalanced, 8 Mb/s, 34 Mb/s, or 140 Mb/s to receive a PDH signal. H If your CTS 850 test set supports the 45 Mb/s option, there is also a 45 Mb/s signal available for selection. 3 120 CTS850 SDH/PDH Test Set User Manual Setting SDH Rece