Product comparison · 2 interface cards/adapters

APC Smart-UPS VT Parallel Maintenance Bypass Kit vs StarTech.com 1 Port RS-422/485 DB9 CardBus Adapter

Key differences

Host interface
- Smart-UPS VT Parallel Maintenance Bypass Kit:Parallel
- 1 Port RS-422/485 DB9 CardBus Adapter:CardBus
Width
- Smart-UPS VT Parallel Maintenance Bypass Kit:470 mm
- 1 Port RS-422/485 DB9 CardBus Adapter:60 mm
Depth
- Smart-UPS VT Parallel Maintenance Bypass Kit:230 mm
- 1 Port RS-422/485 DB9 CardBus Adapter:140 mm
Height
- Smart-UPS VT Parallel Maintenance Bypass Kit:70 mm
- 1 Port RS-422/485 DB9 CardBus Adapter:24 mm
Weight
- Smart-UPS VT Parallel Maintenance Bypass Kit:1.73 kg
- 1 Port RS-422/485 DB9 CardBus Adapter:120 g

Differences highlightedShow differences only

Comparison of Smart-UPS VT Parallel Maintenance Bypass Kit, 1 Port RS-422/485 DB9 CardBus Adapter
18 specifications	A APC Smart-UPS VT Parallel Maintenance Bypass Kit View product	B StarTech.com 1 Port RS-422/485 DB9 CardBus Adapter View product
Ports & interfaces1 differ
Host interfaceDiffers	Parallel	CardBus
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-50 - 40 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	470 mm	60 mm
DepthDiffers	230 mm	140 mm
HeightDiffers	70 mm	24 mm
WeightDiffers	1.73 kg	120 g
Packaging dataidentical
Package weightKnown for one	1.91 kg	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733020	Unknown — not stated by the source
Other featuresidentical
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Package dimensions (WxDxH)Known for one	483 x 279 x 203 mm	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	0.9 Mbit/s
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 98/ME/NT/2000/XP/2003/VISTA/LINUX
I/O portsKnown for one	Unknown — not stated by the source	1 - DB9 M
Featuresidentical
ChipsetKnown for one	Unknown — not stated by the source	OX16PCI952

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.