Cinterion
®
Java Terminal Hardware Interface Description
4.2 Electrical Specifications of the Application Interface
52
PLS62T-W_HID_v01
2018-06-20
Confidential / Prelimenary
Page 42 of 91
4.2
Electrical Specifications of the Application Interface
4.2.1
On/Off Control
4.2.2
RS-232 Interface
4.2.3
USB Interface (PLS62T-W USB)
All electrical characteristics according to USB Implementers' Forum, USB 2.0 Specification.
Table 19:
On/Off control line specifications
Parameter
Description
Conditions
Min.
Typ
Max.
Unit
V
high
Input voltage
IGT_IN, RST_IN
active high
8
30
V
V
low
0
2
V
R
IN
Input resistance of
IGT_IN, RST_IN
1
M
V
high
Input voltage
DTR
active high
2.4
+25
V
V
low
-25
0.8
V
R
IN
Input resistance of
DTR
3
5
7
k
Table 20:
RS-232 interface specifications
Parameter
Description
Conditions
Min.
Typ
Max.
Unit
V
OUT
Transmitter output voltage
swing for
RXD0, CTS0, DSR0,
DCD0, RING0
@ 3k
load
±5
±5.4
V
R
OUT
Transmitter output resis-
tance
RXD0, CTS0, DSR0,
DCD0, RING0
300
V
In
Receiver input voltage
range
TXD0, RTS0, DTR0
-25
+25
V
R
IN
Receiver input resistance
TXD0, RTS0, DTR0
3
5
7
k
V
Ilow
Input threshold low
0.8
1.5
V
V
Ihigh
Input threshold high
1.8
2.4
V
Baudrate
Autobauding
1.2
960
kbps
Fixed range
1.2
960
kbps
LE
Cable
Length of RS-232 cable
1.8
2
m