Designers And Manufacturers Of Telecommunications Test Equipment
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The following notes give example diagrams of typical applications using our test equipment.
Sections :- TBR21 TBR38 BS6305 BS6317
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TBR21 A.4.4.1 A.4.4.2.1 A.4.4.2.2 A.4.4.2.3 A.4.4.3 A.4.4.4 A.4.5 A.4.6.1 A.4.6.2 A.4.7.1 A.4.7.2 A.4.7.3.1 A.4.7.3.2 A.4.7.3.3 A.4.7.3.4.1 A.4.7.3.4.2 A.4.7.4.1 A.4.7.4.2 A.4.7.5 A.4.8.1.1 A.4.8.1.2 A.4.8.2.1 A.4.8.2.2 A.4.8.2.3 A.4.8.2.4 A.4.8.2.5 A.4.8.3 A.4.9 A.4.4.1 TBR38 A.2.1.1 A.2.1.2 A.2.2.1 A.2.2.2 A.2.3 A.2.4.1 A.2.4.2 A.2.5.1 A.2.5.2 A.2.6.1 A.2.6.2 A.2.7 A.2.8 BS6305 A.2 A.3 A.4 A.5 A.6 A.7 A.8 A.9 A.10 BS6317 B.1 B.2 B.3 B.4 B.5 B.6 B.7 B.8 B.9.1 B.9.2 B.10 B.11 B.12.1 B.12.2 B.13 B.14 B.15 |
DC Resistance Impedance Transient Response DC Current Impedance balance about earth Resistance to earth Ringing signal detector sensitivity Acceptance of breaks in the loop in a call attempt Loop current characteristics DC Characteristics Impedance Mean sending level Instantaneous voltage Sending level in a 10Hz bandwidth Sending level above 4.3kHz during DTMF dialling Sending level above 4.3kHz during communication Longtitudinal conversion loss Output signal balance Resistance to earth Dialling without dial tone detection Dialling with dial tone detection Frequency combinations Signalling levels Unwanted frequency components Tone duration Pause duration Automatically repeated call attempts Transistion from loop to quiescent state DC Resistance Sending sensitivity Receiving sensitivity Sending loudness rating Receiving loudness rating Sidetone Sending distortion Receiving distortion Sending linearity Receiving linearity Sending noise Receiving noise Instability Echo return loss Detection of bell tinkle Determination of shunt capacitance Determination of return loss Impedance balance about earth Power level determination Signal balance about earth Pulse distortion Test for restriction of ringing signals sent to line Spectral voltage level signal and timing determination Sending sensitivity test Receiving sensitivity test Sending loudness rating test Receiving loudness rating test Masked sidetone loudness rating test Sending distortion test Receiving distortion test Sidetone distortion test Clipping test 1 Clipping test 2 Noise test Instability test Acoustic shock test 1 Acoustic shock test 2 Test for limits of signals sent to line Ringing detection test Test for restriction of ringing signals in the receiver |