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NPort 1240
NPort 1220/1220I
Board
Ordering Information
| |
| NPort
1240 |
|
| 4-Port RS-232 USB
Serial HUB |
Overview
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| |
NPort
1240 enables your laptop or workstation with the ability to communicate
between a USB (Universal Serial Bus) port and up to 4 RS-232 serial
peripherals. NPort 1240 adds 4 Windows serial COM ports via its USB
connection and is compatible with new and legacy RS-232 devices. This plug
and play USB solution is perfect for mobile instrumentation and
point-of-sale applications. |
|
Simplified, Hassle-free Serial Port Expansion
|
| |
USB
plug and play allows easy serial port expansion that requires no IRQ, DMA,
or I/O port resources. Users no longer need to open the chassis or power
down the system, saving setup time and cost. |
 |
Pin Assignment: RS-232—DB9 Male
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Pin No. |
Signal |
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| 1 |
DCD |
|
| 2 |
RxD |
|
| 3 |
TxD |
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| 4 |
DTR |
|
| 5 |
GND |
|
| 6 |
DSR |
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| 7 |
RTS |
|
|
8 |
CTS |
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Back to
top |
Features
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| |
- Add 4 RS-232 ports through USB
- Hassle free solution with 4 RS-232 serial ports
- Hot plug and play
- No additional I/O or IRQ required
- RS-232 speed up to 115.2 Kbps
- Supports USB 1.1, full rate speed up to 12 Mbps
- Built-in 16 KV ESD Surge Protection
- Supports both bus power and external power
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Benefits
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| |
- Low cost USB to serial solution
- Easy to install and use
- Plug and unplug without shutting down your PC
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Applications
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| |
- Mobile instrumentation
- POS (Point-Of-Sale)
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Specifications
USB
|
Compliance |
USB 1.1, 1.0
USB 2.0 backwards compatible |
|
Connector |
USB type B |
| Speed |
Full speed 12
Mbps |
Serial
|
Interface |
RS-232: TxD,
RxD, RTS, CTS, DTR, DSR, GND
Connector: DB9 Male
FIFO: 128 bytes |
|
Serial line protection |
16 KV ESD for
all signals |
Performance
|
Speed |
4 Mbps (V.35);
128 Kbps (RS-232) |
|
Max. No. of ports |
4 (4 boards
per Windows NT, Linux, and DOS systems)
1 (1 board per Windows 3.x system) |
Serial Communication Parameters
|
Parity |
None, Even,
Odd |
|
Data bits |
7, 8 |
| Stop bit |
1, 2 |
| Flow control |
RTS/CTS |
| Speed |
600 to 115.2
Kbps |
Power Requirements
|
Power Input |
12 to 48 VDC
(external) or 5 VDC (Bus power) |
|
Power Consumption |
BUS: 172 mA @
5 VDC
Ext. PWR: 117 mA @ 12 VDC |
Mechanical Specifications
|
Material |
ABS |
|
Gross Weight |
220 ± 5 g
(0.48 lb) |
Environmental
|
Operating Temperature |
0 to 55°C (32
to 131°F) |
|
Storage Temperature |
-20 to 85°C
(-4 to 185°F) |
| Operating
Humidity |
5 to 95% RH |
Regulatory Approvals
|
EMC |
FCC (Class B),
CE (Class B) |
|
Safety |
UL, CUL, TÜV |
Ordering Information
 NPort 1240 |
USB to 4-Port RS-232 Serial HUB
|
|
All items include |
- 4-port USB-to-serial HUB
- A to B USB cable (50 cm)
- Quick Installation Guide
- NPort Document and Software CD-ROM
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