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PAMS Technical Documentation
Plug and X100 connector signals
Plug
Pin
Name
Function
/
in
Jack
x100
1
1
XMicP
Loopset microphone in-
Loopset microphone in
put
(from accessory to
(from accessory to
phone)
Loopset detection
(from accessory to
(from accessory to
phone)
Ead /
Ext accessory detection
hookint
Bias OFF
mbus
Ead /
Button closed
Hookint
DCT3.n
mbus
Mic bias ON
3
2
XMicN
Microphone + signal
2
3
XEarN
EAR –Signal
(from phone to acces-
(from hone to acces
sory)
4
4
XEarP
Ear + signals
Issue 1 12/99
Min Typ
Ma
x
1.6
400
200
2,4
2.8
6
1.1
2.2
3
0.3
1.0
0
0.1
0.3
5
0.7
0.8
0
0
DCT4
1.0
1.2
10
47
10
150
300
450
2.0
E Nokia Mobile Phones Ltd.
Loopset LPS-3
Unit
Description
kW
Loopset source AC impedance ref 1kHz
mA
Bias current
mV-
Maximum signal level
p–p
V
No Loopset (ref. XMicN).
V
Loopset connected (ref. XMicN). Mic bias
ON
V
Loopset connected (ref. GND).
V
Loopset connected (ref. GND).
nF
Series output capacitance
W
Output AC impedance ref 1kHz
nF
Series output capacitance
W
Load AC impedance ref 1kHz
Vpp
Max. input level. No load
-
Page 11
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