Cinterion
®
Java Terminals Hardware Interface Description
3.3 Terminal Circuit
35
EHSxT_BGS5T_HID_v02
2014-05-23
Confidential / Preliminary
Page 22 of 70
3.3
Terminal Circuit
shows a general Java Terminal block diagram that includes all variants. Not every
interface is available for all Terminal products.
Figure 4:
Java Terminals circuit block diagram
D
‐
Su
b
9
‐
pi
n
Level
‐
shifter
RS
232
in
terf
ac
e
EM
C
R
S232
dr
iv
er
Batt+
SIM
ca
rd
ho
lde
r
SI
M
card
int
e
rf
ac
e
CCxxx
EMC
Batt+
LED
green
LED
yellow
LED drivers
LED
V180
SMA
femal
e
Ant
enna
int
e
rface
RFout
West
er
n
Jack
6
‐
pi
n
Po
w
er
su
pp
ly
EMC
(on/off)
EMC
power
DC/DC
converter
Vreg
Line
regulator
ON
EMERG_RST
Batt+
Batt+
(Hardware)
Watchdog
LED
active
LED
link
Magne
tic
s
10/100 Ethernet
Phy Controller
KSZ8721
US
B
GP
IO
conne
ct
o
r
12
‐
pin
EM
C
Driver
bidirect.
GPIO
US
B
‐
B
connect
o
r
EM
C
USB
Electronic
SIM
(opt.)
Micro controller
MI
I
Quartz
Quartz
Alter
n
ati
ve
US
B
or
Et
he
rn
et
connec
tor
SMA
femal
e
SM
A
fe
m
al
e
RFin
Rfin
An
te
nn
a
int
er
fac
es
fo
r
future
us
e
(GN
SS
,
Rx
di
ve
rsi
ty)
GPI
O
co
nn
ec
to
r
8
‐
pin
EM
C
RS485
Driver
Java
module
Supply
VCCref
I²C
GPIO22/WD_RETRIG
Ethe
rn
e
t
RJ4
5
(fo
r
fut
u
re
us
e)
