User Guide

PAMS
Technical Documentation
NSE–8/9
System Module
Page 2– 16
Issue 1 07/99
Table 10. Signals of the bottom connector X503
Pin Name Parameter Min Typ Max Unit Notes
1,
10
Charge
_GND
Charger re-
turn
–0.3 0 V W.R.T GND
2 IMICP IMICP 0.55 4.1 mV
Connected to COBBA
MIC2P/N input. The maxi-
mum value corresponds to1
kHz 0 dBmO network level
3 IMICN IMICN 0.55 4.1 mV
kHz
,
0
dBmO
network
level
with input amplifier gain set
to 32 dB. typical value is
maximum value –16 dB.
4 INT
Headint low 0.57 0.65 0.72 V No plug inserted in audio
jack
Headint high Vbbmin Vbb Vbbmax V Plug inserted in audio Jack
5 XEarP
*)
positive line
for external
audio output
113 150 188 Ω Output AC impedance (ref.
XEarN) HDC–5
f<3400 Hz
HDC–5 mode
0.84 Vpp Output level (ref. XEarN)
HDC–5
f<3400 Hz
PPH–1 mode
4.0 4.2 4.4 KΩ Output AC impedance (ref.
XEarN) PPH–1
300< f<3400 Hz
1.8 Vpp_ac Output level (ref. XEarN)
PPH–1
f<3400 Hz