Cinterion
®
Java Terminal Hardware Interface Description
4.2 Electrical Specifications of the Application Interface
52
PLS62T-W_HID_v01 2018-06-20
Confidential / Prelimenary
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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
02V
R
IN
Input resistance of
IGT_IN, RST_IN
1M
V
high
Input voltage
DTR
active high 2.4 +25 V
V
low
-25 0.8 V
R
IN
Input resistance of
DTR
357k
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
357k
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