Product comparison · 2 interface cards/adapters

Brainboxes 2 Port RS232 USB to Serial Adapter vs Brainboxes USB 4 Port RS232 1MBaud

Key differences

Serial ports quantity
- 2 Port RS232 USB to Serial Adapter:2
- USB 4 Port RS232 1MBaud:4
Baud rate
- 2 Port RS232 USB to Serial Adapter:1000 Kbit/s
- USB 4 Port RS232 1MBaud:921.6 Kbit/s
Data bits
- 2 Port RS232 USB to Serial Adapter:5, 6, 7, 8
- USB 4 Port RS232 1MBaud:7, 8
Stop bits
- 2 Port RS232 USB to Serial Adapter:1, 1.5, 2
- USB 4 Port RS232 1MBaud:1, 2
Width
- 2 Port RS232 USB to Serial Adapter:102 mm
- USB 4 Port RS232 1MBaud:215 mm
Depth
- 2 Port RS232 USB to Serial Adapter:100 mm
- USB 4 Port RS232 1MBaud:123 mm
Height
- 2 Port RS232 USB to Serial Adapter:27 mm
- USB 4 Port RS232 1MBaud:34 mm
Weight
- 2 Port RS232 USB to Serial Adapter:109 g
- USB 4 Port RS232 1MBaud:722 g

Differences highlightedShow differences only

Comparison of US-257, US-701
36 specifications	A Brainboxes 2 Port RS232 USB to Serial Adapter Model US-257 View product	B Brainboxes USB 4 Port RS232 1MBaud Model US-701 View product
Ports & interfaces1 differ
Host interface genderKnown for one	Female	Unknown — not stated by the source
Serial ports quantityDiffers	2	4
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Designidentical
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Country of originKnown for one	Unknown — not stated by the source	United Kingdom
Features3 differ
Data transfer rate (max)Known for one	0.48 Gbit/s	Unknown — not stated by the source
Baud rateDiffers	1000 Kbit/s	921.6 Kbit/s
FIFO (First In, First Out)Known for one	256 B	Unknown — not stated by the source
Data bitsDiffers	5, 6, 7, 8	7, 8
Stop bitsDiffers	1, 1.5, 2	1, 2
Flow control supportKnown for one	Unknown — not stated by the source	Yes
Flow Control typeKnown for one	Unknown — not stated by the source	DTR/DSR, RTS/CTS, XON/XOFF
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Technical details1 differ
Compliance certificatesDiffers	CE, Federal Communications Commission (FCC), UKCA	Federal Communications Commission (FCC), CE, UKCA
Weight & dimensions4 differ
WidthDiffers	102 mm	215 mm
DepthDiffers	100 mm	123 mm
HeightDiffers	27 mm	34 mm
WeightDiffers	109 g	722 g
Packaging data3 differ
Package widthDiffers	160 mm	300 mm
Package heightDiffers	49 mm	80 mm
Package weightDiffers	260 g	962 g

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.