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Technical description – Impulse 2201 User Manual

Page 7

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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