CEP CT63 Manuale d'uso - Pagina 10

Sfoglia online o scarica il pdf Manuale d'uso per Terminali a sfioramento CEP CT63. CEP CT63 20.

Stampa la pagina
PIN
Signal
1
VCC
2
Not connected
3
EMERG_OFF
4
TO_IN
5
Not connected
6
GND

2.2 Antenna Connector

The antenna connector allows transmission of radio frequency (RF) signals between the modem and an
external customer-supplied antenna. The modem is fitted with a 50Ω, FME male coaxial jack.
Output Power:
2 Watt Peak (Class 4)
1 Watt Peak (Class 1)
The antenna that the customer chooses to use should fulfil the following requirements:
Frequency range
Bandwidth
Gain
Impedance
Input power
VSWR recommended
Direction
Limits
Input
5 – 32V
Not connected
Not connected
Input
5 – 32V
Input
5 – 32V
Not connected
Not connected
Input
-
Table 1: RJ11 Pin and Signals Description
GSM 900/850 MHz
GSM 1800/1900 MHz
GSM 900/ 1800 MHz
80 MHz in EGSM 90
<3dBi
50ohm
>33 dBm (2W) peak power in GSM
< 2
Table 2: Recommended antenna parameters
10
Description
Positive power input, DC
Not connected
Active high control line used to
switch off
V
> 5V, V
< .5V
IH
IL
Power off: t >1s
Positive edge triggered signal;
used to switch on the modem
V
> 5V, V
< 0.5V
IH
IL
Power on: t >1s
Not connected
Negative power (ground) input
and return path for TO_IN and
EMERG_OFF