NLV
-
3101
-
HD
Specifications Manual
8
6.
Interface Specifications
The NLV-3101 supports four types of interfaces; RS-232C, USB-HID, USB-COM and Wedge PS/2.
6.1.
RS-232C
The RS-232C interface has two specifications for connecting to the host: D-Sub9pin with DC jack and
flying lead (10 wires) with sequencer signals.
Communication Setting
Baud rate
: 300 ~ 115200 bps
Data length
: 7 / 8 bits
Parity bits
: No / Even / Odd parity
Stop bits
: 1 / 2 bit
* Japanese kanji data or images can be transmitted via RS-232C interface.
Signal Level
: signal names are based on the signals transmitted from the scanner to the host.
Signal Name
IN/OUT
Voltage(V)
Mark
Space
TxD
OUT
-5 ~ -15
+5 ~ +15
RxD
IN
-3 ~ -15
+3 ~ +15
RTS
OUT
-5 ~ -15
+5 ~ +15
CTS
IN
-3 ~ -15
+3 ~ +15
Signal Level:
sequencer signals (flying lead spec only)
Signal Name
IN/OUT
Voltage(V)
L level
Space / ON
External trigger
IN
-0.3 ~ 0.6 V
3 V ~ Vcc +0.3 V
OK
OUT
0.3 V / 10 mA
OC output / Vcc +0.3 V
NG
OUT
0.3 V / 10 mA
OC output / Vcc +0.3 V
6.1.1.
D-Sub9pin
6.1.1.1.
Pin Assignment
Signal Name
Pin No.
Note
Shield
1
TxD
2
RxD
3
(NC)
4
Connect to pin 6
GND
5
(NC)
6
Connect to pin 4
CTS
7
RTS
8
(NC)
9
Open (not connected)
Figure 2: RS-232C D-Sub9pin Connector
