Video Intercom/Products/DHI VTH5221D

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These instructions are for Generation 2, IP-based Video Intercom Devices only.
Icon Name Generation Technology SIP 2.0 Example Device 1 Example Device 2 Identifying Characteristic PC Software Mobile App
Gen2-SIP2.0-IP Gen 2 IP SIP 2.0 VTH1550CH-S DHI-VTO2000A-S "-S" at end of model name DSS or DSS Express S DSS Mobile for VDP






  • 7-inch Capacitive Touch Screen, 1024 x 600 Resolution
  • IPC Surveillance
  • Alarm Integration and Group Call
  • Two-door Control
  • Micro SD Card Slot, maximum 32 GB
  • Record and Snapshot Functions (requires SD card)
  • WiFi-enabled and PoE Power Supply
  • Surface-mounted

Firmware Update Instructions

User Name: admin

Password: admin

Use General_ConfigTool_Eng_V1.07.2.R.130304 to flash firmware

Firmware Update Download


Main Processor Embedded Micro Processor
Operating System Embedded Linux
Viewing Area 7-in. LCD, Capacitive
Resolution 1024 x 600
Input Touchscreen Display
Audio Input: Omnidirectional Microphone
  Output: Built-in Speaker
  Two-way Talk
Audio Compression G.711
Alarm Input: Six (6) Channels
  Output: One (1) Channel
RS485 One (1) Port
Memory Micro SD, 32 GB maximum
Video Compression H.264
WiFi IEEE 802.11b/g/n
Ethernet 10/100 Mbps, Self-adaptive
Network Protocol TCP/IP
Safety EN 60950:2006+A2:2013
Electromagnetic Compatibility (EMC) FCC CFR 47 Part 15 subpart B
  ANSI C63.4 - 2009
  EN 55022:2010, EN 55024:2010, EN 50130-4:2011, 
  EN 61000-6-3:2007, EN 61000-3-2:2006+A1:2009
  EN 61000-3-3:208, IEC 61000-4-2:2008, 
  IEC 61000-4-3:2010, IEC 61000-4-4:2012, 
  IEC 61000-4-5:2005, IEC 61000-4-6:2008, 
  IEC 61000-4-8:2009, IEC 61000-4-11:2004
Power 12 VDC, PoE (802.3 af)
Power Consumption Standby: ≤ 1 W
  Operation: ≤ 8 W
Operating Temperature -10° C to +55° C (14° F to +131° F)
Operating Humidity 10% to 90%, Relative
Dimensions 215.0 mm x 140.0 mm x 21.0 mm
  (8.46 in. x 5.51 in. x 0.83 in.)
Net Weight 0.80 kg (1.76 lb)
Installation Surface-mount