Technical Specification for - Gujarat Electricity Board

TECHNICAL SPECIFICATION FOR
SDH/PDH Equipment with integrated Access Multiplexer
( c ) Emission of the equipment (substation environment)
No Test Name Description Basic
standard
1.1 Radiated radio
frequency
interference
1.2 Conducted radio
frequency
interference
AC/DC Power
supply
Class
30 MHz to 1 GHz EN 55022 A
150 kHz to 30 MHz EN 55022 A
Comply (To be
filled up by
bidder)
( d ) Immunity of the equipment (substation environment)
No Test Name Description Basic
standard
Level
2.1 ESD test Contact/air discharge IEC 61000-4-2 6 / 8kV
2.2 Radiated
80 to 1000 MHz, 80% IEC 61000-4-3 10V/m
electromagnetic field AM, 1 kHz modulated
2.3 Radiated
1.0 to 2.5 GHz, 80% AM, IEC 61000-4-3 10V/m
electromagnetic field 1 kHz modulated
2.4 Fast transient test AC/DC Power supply:
all other ports:
IEC 61000-4-4 4kV
2kV
2.5 Surge test (1.2/50
µs)
AC/DC Power supply:
Common mode
Differential mode
IEC 61000-4-5
2.0kV
1.0kV
Comply (To be
filled up by
bidder)
DC Power supply 48 V:
Common mode
Differential mode
0.5kV
0.5kV
Signal terminals:
Common mode
Differential mode
2.0kV
1.0kV
2.6 Conducted radio
frequency
interference
2.7 Power frequency
magnetic field
Telecommunication
ports:
Common mode
0.15 to 80 MHz, 80%
AM,
1kHz modulated
Continuous
Short (1 to 3 s)
IEC 61000-4-6
IEC 61000-4-8
1.5kV
10V/m
(e.m.f.)
30 A/m
300 A/m
Sign & Seal of Bidder
GETCO/E/TS-SDH/PDH FOTE/R1, Dt:16.04.2011
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