Teledyne-lecroy QPHY-ENET Manuel d'utilisateur télécharger pdf (Page 5)

QPHY-ENET Software Option

QPHY-ENET Operator’s Manual Rev G

Figure 33. 100Base-TX differential output voltage and overshoot ................................................................... 45

Figure 34. 100Base-TX Rise and Fall Time .......................................................................................................... 46

Figure 35. Transmitter test signal in IEEE 802.3-2005 standard in clause 40.6 ............................................... 47

Figure 36. Fixture setup for Mode 1 and Mode 4 test with Disturbing Signal .................................................. 48

Figure 37. Block diagram of TF-ENET-B fixture section D ................................................................................ 49

Figure 38. 1000Base-T mode 1 test showing all masks ..................................................................................... 50

Figure 39. 1000Base-T mode 1 test showing one mask; all mask test results are listed in the menu ......... 51

Figure 40. 1000Base-T mode 1 test main menu .................................................................................................. 51

Figure 41. Setting the disturbing signal level for mode 1 test .......................................................................... 53

Figure 42. Mode 4 distortion measurement ......................................................................................................... 53

Figure 43. Fixture setup for Mode 1 and Mode 4 test without Disturbing Signal ............................................ 54

Figure 44. Menu setting for making the measurements without disturber present ........................................ 54

Figure 45. Mode 2 and Mode 3 w/o TX_TCLK w/o Link Partner ........................................................................ 56

Figure 46. Mode 2 and Mode 3 with TX_TCLK and Link Partner ....................................................................... 56

Figure 47. Mode 2 with TX_TCLK measuring Jtxout .......................................................................................... 60

Figure 48. Master Jitter with TX_TCLK and Link Partner ................................................................................... 60

Figure 49. Slave Jitter setup with TX_TCLK and Link Partner .......................................................................... 62

Figure 50. Example Slave with TX_TCLK Jitter display. .................................................................................... 63

Figure 51. Jitter test channel definition, this cable connects the Device Under Test to the Link Partner ... 65

Figure 52. Fixture setup for Common Mode Output Voltage ............................................................................. 66

Figure 53. TF-ENET-B test fixture board .............................................................................................................. 67

Figure 54. TF-ENET-B with jumpers and connections highlighted in yellow and labeled accordingly ........ 67

Figure 55. TF-ENET-B with connectors used for Link Partner testing ............................................................. 70

Figure 56. Example of setting the Ethernet Card on a Windows-Based PC to 10Mbps/Half Duplex Mode .. 70

Figure 57. The Skew parameter right side dialog, Skew clock 2 tab, showing default setup ........................ 73

Figure 58. Ethernet test menu for Differential Data connection confirmation ................................................. 74

Figure 59. TF-ENET-B fixture Disturbing Signal section block diagram .......................................................... 75

Figure 60. Data Amplitude measurement for Splitter calibration...................................................................... 76

Figure 61. Attenuated data measurement for Splitter calibration ..................................................................... 76

Figure 62. Disturbing Signal Amplitude measurement ...................................................................................... 77

TABLES

Table 1. Test Supported by TF-ENET-B Test Fixture ......................................................................................... 12

Table 2. 10Base-T section A jumper setting........................................................................................................ 24

Table 3. Pair and Jumpers configurations .......................................................................................................... 39

Table 4. Gigabit Ethernet tests, modes and fixtures .......................................................................................... 47

Table 5. Section D test pair jumper configurations ............................................................................................ 49

Table 6. Section G connector configuration and pair ........................................................................................ 54

Table 7. Mode 1 and 4 test Without Disturbing Signal ....................................................................................... 55

Table 8. Jitter Test Mode Limits ........................................................................................................................... 57

Table 9. Jumper configuration for each pair measurements (connection & termination) ............................. 69

1 2 3 4 5 6 7 8 9 10 ... 77 78

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