Advance Information
DC Electrical Characteristics
†
Characteristics
1
2
Ringing Voltage
Detect
No Detect
Symbol
VR
VR
Min
40
60
Typ
‡
90
Max
150
106
35
Units
V
rms
V
rms
MH88634B
Test Conditions
-2 Variant only
17 to 68Hz
-4 Variant only
-4 Variant only
16-33Hz
(TR57 compliant)
@ 20mA
@ 1000VAC
Note 1
3
4
5
6
Operating Loop Current
Off-Hook DC Resistance
Leakage Current
(Tip-Ring to AGND)
SHK & FL Threshold
Tip-Ring (On-hook)
Tip-Ring Current (Off-Hook)
SHK & RL Threshold
Tip-Ring (On-Hook)
Tip-Ring Current (Off-Hook)
16
270
70
280
7
mA
Ω
mArms
12
5
12
-5
21
15
21
-15
Vdc
mA
Vdc
mA
LRC = 0V
LRC = 5V
LRC = 0V
LRC = 5V
7
† Electrical Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C with nominal 5V supplies and are or design aid only.
f
Note 1: Maximum figure of 282Ω at 0°C
2-271
MITEL [ MITEL NETWORKS CORPORATION ]
