2N NetStar Hardware manual - Manual (Page 54)

54
USB
Signály USB -A
Transmission speed 1,5 Mb/s
Interface type 2xUSB v1.1
R232
Signals
Pin1= TxD-, Pin2= TxD+, Pin3aPin4= GND, Pin5=
RxD+, Pin6= RxD-
Transmission speed 115200 Bd
Interface type RS 232C / 115200Bd,8bit ,parity=none, stop bit=1
MMC
Signals MMC 7pins and MMC Plus 13 pins
Transmission speed up/down 18/22 Mb/s
Interface type 1-bit (MMC) and 4-bit bus
Climate conditions
Temperature range +5...+45 °C.
Relative air humidity max. 85 % (40 °C) without condensation
Premises description - basic
characteristics
standard premises
Operational position horizontal
Internal lines
Analogue input impedance 600 ?
Ringing voltage
Line feeding voltage 60V
Line current cca 25 mA
External lines
Analogue input impedance 600 ?
SS voltage of closed loop at the
I power =?? mA
Maximum loop current 65 mA
SS resistance during pulse min. 1 M?
SS resistance during
interruption
max. 320 ?
Earth-leakage power when
hanged-up
max. 100 ?A
Ringing impedance 2 - 10 k?
Ringing voltage detection 10 - 25 V
*Digital system lines *
Input power 48V
Call conduction impedance 600 ?