Technical description – Impulse 2201 User Manual
Page 7
Specifications
Sealevel Systems SeaPORT+2/232 Page
5
Technical Description
The SeaPORT+2/232 utilizes two USB UARTs. These chips feature
programmable baud rate, data format, 128 byte Dual Port TX Buffer, and 384
byte Dual Port RX Buffer. The RS-232 transceiver supports data rates up to
460.8K baud.
Features
• Hot pluggable device that does not require opening the case
• No system resources are required (i.e. I/O ports or IRQ’s)
• LED status indicators for USB Enabled and port activity
RS-232 (DB-9
Male)
Signal Name
Pin
# Mode
GND Ground
5
TX Transmit
Data
3
Output
RTS
Request To Send
7
Output
DTR
Data Terminal Ready
4
Output
RX Receive
Data
2 Input
CTS
Clear To Send
8
Input
DSR
Data Set Ready
6
Input
DCD
Data Carrier Detect
1
Input
RI Ring
Indicator
9
Input