SN EN 60835-2-9 : 1995

1 General
1.1 Scope
1.2 Normative references
2 Analogue interface of service channels
      transmitted by analogue techniques
2.1 Return loss
2.2 Input deviation sensitivity
2.3 Output deviation sensitivity
2.4 Transmit-receive section parameters
3 Analogue interface of service channels transmitted
      by digital techniques
3.1 Return loss
3.2 Amplitude-frequency characteristic
3.3 PCM coder overload point
3.4 Idle channel noise
3.5 Total distortion including quantizing distortion
4 Digital interface of service channels transmitted
      by digital techniques
4.1 Return loss, terminal balance ratio
4.2 Acceptability of the signal at the input of the
      transmit code converter
4.3 Level and shape of the signal at the output of
      the receive code converter
4.4 Effect of jitter
Figures
1 Method of service channel transmission over a
      digital radio-relay system
2 Measurement of peak-to-peak deviation in case of
      sinusoidal modulation using a spectrum analyzer
3 Back-to-back connection of transmit-side and
      receive-side multiplex equipment
4 Test arrangement for measuring the signal-to-
      total distortion ratio
5 Test arrangement for measuring the acceptability
      of the signal at the input of the transmit code
      converter
6 Test arrangement for measuring the level of the
      signal at the output of the receive code converter
Annexes
A (informative) Bibliography
ZA (normative) Normative references to international
      publications with their corresponding European
      publications

Covers measurements concerning service channels used in digital microwave radio-relay systems. ALSO NUMBERED AS BS 7573 SECTION 2.9 1997