ITU performance overview and fault conditions
Test
no.
ITU K20 ITU K21 ITU K45
Basic
test level
Enhanced
test level
Basic
test level
Enhanced
test level
Basic
test level
Enhanced
test level
Power induction
1 A A A A A A
2 B C B C B C
Power contact 3 D E D E D E
Lightning surge
4 F G G G G G
5 H H H I H H
Power induction
A
600 V AC, R = 600 Ω, t = 0.2 s, criteria A
B
600 V AC, R = 600 Ω, t = 1.0 s, with GDT, criteria A
C
1500 V AC, R = 200 Ω, t = 2.0 s, with GDT, criteria A
Power contact
D
230 V AC, t = 15 min, R = 10 ... 1000 Ω, criteria B
E
230 V AC, t = 15 min, R = 10, 20, 40, 80, 1000 Ω, criteria B,
R = 160, 300, 600 Ω, criteria A
Lightning surge
F
V
c(max)
= 1.0 kV, R = 25 Ω, t = 10/700 µs, without GDT, criteria A
G
V
c(max)
= 1.5 kV, R = 25 Ω, t = 10/700 µs, without GDT, criteria A
H
V
c(max)
= 4.0 kV, R = 25 Ω, t = 10/700 µs, with GDT, criteria A
I
V
c(max)
= 6.0 kV, R = 25 Ω, t = 10/700 µs, with GDT, criteria A
Criteria A: no damage, function must be fulfilled.
Criteria B: no fire hazard.
Electrical requirements according to GR-1089 standard for AC power contact
AC voltage: 120 V, 50 Hz, short circuit current 25 A, time 15 min, criteria A.
Overcurrent protection for telecom
Telecom pair protector (TPP), SMD
Page 8 of 13Please read Cautions and warnings and
Important notes at the end of this document.
