FHF ExResistTel - Technical Data

31
Technical Data
Parameter / Test condition
Min
Type
Max
Unit
V
OpenLoop
Open loop voltage (OnHook)
24
56.5
V
DC
I
Loop
Loop current (OffHook)
15
110
mA
DC
V
Ringer
Ringer voltage
30
150
V
AC
f
Ringer
Ringer frequency
15.3
68
Hz
REN Ringer equivalence number
1.8
-
RT68 Ringer type acc. FCC Part 68
B
-
Tip/Ring loop impedance
Z
LoopDC
DC loop impedance@I
Loop
= 25 mA
DC
320
Ω
Z
LoopDyn
Dynamic loop impedance
600
Ω
R
OpenLoop
Open loop resistance (Flash, pulse dialing
etc.)
5
MΩ
Z
Ringer
Ringer impedance@V
Ringer
= 62 V
AC
5
kΩ
Audible properties
L
Ringer
1
Ringer volume range, adjustable in 5 steps.
10 melodies available
An additional 6th step turns the ringer muted.
60
90
dB(A)
L
Beeper
Confirmation-, error and advisory beeps.
tbd
dB(A)
L
Handset
Handset volume, adjustable in 6 steps.
0
12
dB
L
Headset
Headset volume, adjustable in 6 steps.
dB
L
OpenListng
Open listening volume, adjustable in 6 steps.
56
68
dB(A)
L
Handsfree
2
Handsfree volume, adjustable in 6 steps.
56
68
dB(A)
Dialing properties
- Tone dialing@Dialing mode = Dtmf 90 ms
L
DtmfLowG
Loop level DTMF low frequency group
-11
dBm
L
DtmfHighG
Loop level DTMF high frequency group
-9
dBm
L
DtmfPreem
DTMF pre-emphasis
2
dB
T
DtmfDD
DTMF digit duration
90
ms
T
DtmfIDP
DTMF inter digit pause
90
ms
- Pulse dialing@Dialing mode = Pulse 1.5:1
T
PulseDB
Pulse break duration
60
ms
T
PulseDM
Pulse make duration
40
ms
T
PulseIDP
Pulse inter digit pause
800
ms
- Pulse dialing@Dialing mode = Pulse 2.0:1
T
PulseDB
Pulse break duration
67
ms
T
PulseDM
Pulse make duration
33
ms
T
PulseIDP
Pulse inter digit pause
830
ms
- Recall signalling
T
FlashDB
Loop break duration
80
600
ms
Handset
Material
Glass-fibre-reinforced polyester
Cord
Steel-reinforced steel-clad cord
made of V4A.
Microphone capsule
Electret microphone
Earphone capsule
Dynamic capsule with stray-field
coil for the inductive connection of
hearing-aids.
T
Noise
3
Noise suppression
3
dB