SPECICATION NO. ETI/PSI/144 (12/91) SPECIFICATION FOR ... - rdso

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vii) Output signal level on send side:
Nominal ……….
Maximum ……….
Minimum ……….
viii) Threshold values of input signal on receive side
Maximum ……….
Minimum ……….
ix) Dynamic range
x) Maximum gain provided in the amplifier
xi) Indications provided for fault diagnostics
xii) Are the modems and the transmission speed suitable for the
communication mediums specified in clause 5.8, 5.9 & 5.10 ?
19. Power Supply for RTUs
i) Power supply required for operation of RTU
ii) Permissible variation in power supply voltage and frequency
iii) Is the RTU designed for Operating from both ac & dc supply, as
per clause-6.2.3 ?
iv) Load of the RTU for designed capacity of parameters as per clause
6.2.3 at 240V ac single phase vis-a-vis 110V d.c :
- At TSS
- At SP
- At SSP
- At ATP
240V a.c. 110V d.c.
20. Are events and alarm stored in the RTU, as per Clause-6.2.2 ?
21. Do the RTUs meet the requirements of Clause-6.2 ?
22. Catenary voltage indication circuits in RTU
i) Voltage at which the catenary voltage indication circuit work.
ii) Pick up voltage of the circuit ( please indicate range)
iii) Drop off voltage of the circuit ( please indicate range)
23. Catenary under voltage circuit in the ETU at SP
i) Voltage at which the catenary under voltage circuit at sectioning and
paralleling post (SP) works.