Product comparison · 2 security door controllers

Dahua Technology ASC4201B-D security door controller Housing 1 door(s) RJ-45 / RS-485 vs Dahua Technology ASC4204B-S security door controller Housing 4 door(s) RJ-45 / RS-485

Key differences

Maximum number of doors
- ASC4201B-D security door controller Housing 1 door(s) RJ-45 / RS-485:1 door(s)
- ASC4204B-S security door controller Housing 4 door(s) RJ-45 / RS-485:4 door(s)
Supported network protocols
- ASC4201B-D security door controller Housing 1 door(s) RJ-45 / RS-485:IPv4, UDP, P2P, IPv6, TCP
- ASC4204B-S security door controller Housing 4 door(s) RJ-45 / RS-485:IPv4; UDP; P2P; IPv6; TCP
Number of built-in relays
- ASC4201B-D security door controller Housing 1 door(s) RJ-45 / RS-485:3
- ASC4204B-S security door controller Housing 4 door(s) RJ-45 / RS-485:4
Number of Wiegand readers supported
- ASC4201B-D security door controller Housing 1 door(s) RJ-45 / RS-485:2
- ASC4204B-S security door controller Housing 4 door(s) RJ-45 / RS-485:4
Alarm input channels
- ASC4201B-D security door controller Housing 1 door(s) RJ-45 / RS-485:4
- ASC4204B-S security door controller Housing 4 door(s) RJ-45 / RS-485:1
RS-485 ports
- ASC4201B-D security door controller Housing 1 door(s) RJ-45 / RS-485:2
- ASC4204B-S security door controller Housing 4 door(s) RJ-45 / RS-485:5
Depth
- ASC4201B-D security door controller Housing 1 door(s) RJ-45 / RS-485:155.6 mm
- ASC4204B-S security door controller Housing 4 door(s) RJ-45 / RS-485:34.1 mm
Height
- ASC4201B-D security door controller Housing 1 door(s) RJ-45 / RS-485:34.1 mm
- ASC4204B-S security door controller Housing 4 door(s) RJ-45 / RS-485:210 mm

Differences highlightedShow differences only

Comparison of ASC4201B-D, ASC4204B-S
38 specifications	A Dahua Technology ASC4201B-D security door controller Housing 1 door(s) RJ-45 / RS-485 Model ASC4201B-D View product	B Dahua Technology ASC4204B-S security door controller Housing 4 door(s) RJ-45 / RS-485 Model ASC4204B-S View product
Technical details2 differ
Maximum number of doorsDiffers	1 door(s)	4 door(s)
Embedded web serverKnown for one	Unknown — not stated by the source	Yes
Emergency door releaseKnown for one	Unknown — not stated by the source	Yes
Number of programmable holidaysKnown for one	Unknown — not stated by the source	128
Relay inputsKnown for one	Unknown — not stated by the source	4
Scheduled door armingKnown for one	Unknown — not stated by the source	Yes
Supported network protocolsDiffers	IPv4, UDP, P2P, IPv6, TCP	IPv4; UDP; P2P; IPv6; TCP
Compatible productsKnown for one	Unknown — not stated by the source	SmartPSS Lite; DSS Pro; DMSS
Performance3 differ
Number of built-in relaysDiffers	3	4
Number of Wiegand readers supportedDiffers	2	4
Alarm input channelsDiffers	4	1
Poweridentical
Operating currentKnown for one	Unknown — not stated by the source	1 A
Ports & interfaces1 differ
RS-485 portsDiffers	2	5
Weight & dimensions2 differ
DepthDiffers	155.6 mm	34.1 mm
HeightDiffers	34.1 mm	210 mm
Packaging data3 differ
Package depthDiffers	512 mm	196 mm
Package heightDiffers	196 mm	512 mm
Package weightDiffers	460 g	540 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.