NEC
Solutions
(America),
Inc.
Visual Systems
Installation Data for
Nighthawk XT4100/5000/5100
v 3.5
www.necvisualsystems.com
Page 11 of 11
RS232 Control / Connection
Cable Connection
Communication Protocol
Baud
rate:
4800/9600/19200/38400 bps (selectable)
Data
length:
8
bits
Parity:
No
parity
Stop bit :
1 bit
X
on/off:
None
Communication procedure:
Full duplex
Note:
For cable lengths longer than 20’, it is recommended changing baud rate to 9600 bps.
PC Control Connector (D-Sub 9P)
To GND of PC
To TxD of PC
To RxD of PC
To CTS of PC
To RTS of PC
1 2 3 4 5
6 7
8 9
Note:
Jumper "Request to Send" and "Clear to Send" together on both ends of the cable to simplify cable connection.
