Technical Description - SeaLevel VERSA COMM+4.LPCI User Manual

Technical Description

The VERSA COMM+4.LPCI utilizes the 16C854 UART. This chip features programmable baud rate, data
format, interrupt control and a 128-byte input and output FIFO and is functionally 4 16C850 UARTs.
Connector Pin Assignments
DB-25 Female (RS-232 DTE)
DB-9 Male (EIA-574 DTE)
© Sealevel Systems, Inc. 7406 Manual | SL9066 7/2021
Signal Name
GND Ground
TD Transmit Data
RTS Request To Send
DTR Data Terminal Ready
RD Receive Data
CTS Clear To Send
DSR Data Set Ready
DCD Data Carrier Detect
RI Ring Indicator
Signal Name
GND Ground
TD Transmit Data
RTS Request To Send
DTR Data Terminal Ready
RD Receive Data
CTS Clear To Send
DSR Data Set Ready
DCD Data Carrier Detect
RI Ring Indicator
Pin # Mode
7
2 Output
4 Output
20 Output
3 Input
5 Input
6 Input
8 Input
22 Input
Pin # Mode
5
3 Output
7 Output
4 Output
2 Input
8 Input
6 Input
1 Input
9 Input
10