HIKVISION DS-KB2421T-IM User Manual Download Page 2

Video Door Phone User Manual 

Legal Information 

© 2021 Hangzhou Hikvision Digital Technology Co., Ltd. All rights reserved. 
This user manual is intended for users of the models below: 

Product 

Model 

Video Door Phone 

DS-KIS203T 

Door Station 

DS-KB2421T-IM 

Indoor Station 

DS-KH2220 

About this Manual 

The Manual includes instructions for using and managing the Product. Pictures, charts, images and 
all other information hereinafter are for description and explanation only. The information 
contained in the Manual is subject to change, without notice, due to firmware updates or other 
reasons. Please find the latest version of this Manual at the Hikvision website 
(https://www.hikvision.com/).   
Please use this Manual with the guidance and assistance of professionals trained in supporting the 
Product. 

Trademarks 

  and other Hikvision's trademarks and logos are the properties of 

Hikvision in various jurisdictions. 
Other trademarks and logos mentioned are the properties of their respective owners. 

Disclaimer 

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THIS MANUAL AND THE PRODUCT 
DESCRIBED, WITH ITS HARDWARE, SOFTWARE AND FIRMWARE, ARE PROVIDED "AS IS" AND 
"WITH ALL FAULTS AND ERRORS". HIKVISION MAKES NO WARRANTIES, EXPRESS OR IMPLIED, 
INCLUDING WITHOUT LIMITATION, MERCHANTABILITY, SATISFACTORY QUALITY, OR FITNESS FOR 
A PARTICULAR PURPOSE. THE USE OF THE PRODUCT BY YOU IS AT YOUR OWN RISK. IN NO EVENT 
WILL HIKVISION BE LIABLE TO YOU FOR ANY SPECIAL, CONSEQUENTIAL, INCIDENTAL, OR INDIRECT 
DAMAGES, INCLUDING, AMONG OTHERS, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS 
INTERRUPTION, OR LOSS OF DATA, CORRUPTION OF SYSTEMS, OR LOSS OF DOCUMENTATION, 
WHETHER BASED ON BREACH OF CONTRACT, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY, 
OR OTHERWISE, IN CONNECTION WITH THE USE OF THE PRODUCT, EVEN IF HIKVISION HAS BEEN 
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR LOSS. 
YOU ACKNOWLEDGE THAT THE NATURE OF THE INTERNET PROVIDES FOR INHERENT SECURITY 
RISKS, AND HIKVISION SHALL NOT TAKE ANY RESPONSIBILITIES FOR ABNORMAL OPERATION, 
PRIVACY LEAKAGE OR OTHER DAMAGES RESULTING FROM CYBER-ATTACK, HACKER ATTACK, 
VIRUS INFECTION, OR OTHER INTERNET SECURITY RISKS; HOWEVER, HIKVISION WILL PROVIDE 
TIMELY TECHNICAL SUPPORT IF REQUIRED. 

Summary of Contents for DS-KB2421T-IM

Page 1: ...Video Door Phone User Manual...

Page 2: ...HE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW THIS MANUAL AND THE PRODUCT DESCRIBED WITH ITS HARDWARE SOFTWARE AND FIRMWARE ARE PROVIDED AS IS AND WITH ALL FAULTS AND ERRORS HIKVISION MAKES NO WARRANT...

Page 3: ...MAN RIGHTS ABUSES IN THE EVENT OF ANY CONFLICTS BETWEEN THIS MANUAL AND THE APPLICABLE LAW THE LATER PREVAILS Data Protection During the use of device personal data will be collected stored and proces...

Page 4: ...tes a hazardous situation which if not avoided will or could result in death or serious injury Caution Indicates a potentially hazardous situation which if not avoided could result in equipment damage...

Page 5: ...te the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the...

Page 6: ...rouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radio lectrique subi m me si le brouillage est susceptible d en compromettre le fonctionnement Under Industry Canada regulation...

Page 7: ...of Indoor Station 4 3 1 2 Terminals of Door Station 4 3 2 Wiring Description 5 3 2 1 Wiring 1 1 Door Station and 1 Indoor Station 7 3 2 2 Wiring 2 1 Door Station and 3 Indoor Stations 8 3 2 3 Wiring 3...

Page 8: ...o intercom communication Supports three indoor stations simultaneously in the intercom system Supports monitoring the door station and the external analog camera Remote unlocking Convenient installati...

Page 9: ...Station Figure 2 1 Indoor Station Appearance Table 2 1 Components Description No Description 1 Power Supply Indicator 2 Call Accept Decline Key 3 Unlock Key 4 Live View Key 5 Switch Key 6 LCD Screen 7...

Page 10: ...ne User Manual 3 2 2 Door Station Figure 2 2 Door Station Appearance Table 2 2 Components Description No Description 1 Microphone 2 Built in Camera 3 IR Supplement Lights 4 Photoresistor 5 Call Button...

Page 11: ...of Indoor Station Table 3 1 Descriptions of Terminals Indoor Station Name No Interface Description Camera 1 CAM Analog Camera Access Power Supply 2 12 VDC 12 VDC Power Supply Input Four Wire Interface...

Page 12: ...our wire door station are 2 basic but major components in a four wire video intercom system As for extended components the analog camera and the electric bolt can be connected to the indoor station an...

Page 13: ...cading group and four wire interface B and four wire interface C compose a cascading group The communication between A and B D cannot be realized The communication between C and B D cannot be realized...

Page 14: ...sulated tape to tape the bare wires so as to avoid the short circuit Indoor Station Analog Camera Electric Bolt Door Station Red NO Blue COM Yellow NC Red Wire for power supply Blue Wire for video out...

Page 15: ...so as to avoid the short circuit Indoor Station 1 B Wire for power supply V Wire for video input A Wire for audio input G Wire for grounding Analog Camera 1 Indoor Station 2 Analog Camera 2 Indoor St...

Page 16: ...rcuit Indoor Station 1 Analog Camera 1 Indoor Station 2 Analog Camera 2 B Wire for power supply V Wire for video input A Wire for audio input G Wire for grounding Indoor Station 3 Analog Camera 3 Door...

Page 17: ...ng with the junction box and the wall mounting without the junction box For the wall mounting with junction box the wall mounting plate and the junction box are required And for the wall mounting with...

Page 18: ...rear panel of the indoor station during which the lock catch will be locked automatically Hooks Slot Slot Lock Catch Figure 4 3 Hooking the Indoor Station to the Plate Note For the installation withou...

Page 19: ...the wall mounting plate to the wall with 2 screws 2 Hook the door station to the shield tightly by inserting the hooks of shield panel into the slots on the rear panel of the door station 3 Secure th...

Page 20: ...he door Open or close the live view Switch the live view among the first door station the second door station and the analog camera Counterclockwise rotation Increase the volume Clockwise rotation Dec...

Page 21: ...le installing the indoor station make sure that the distance between any two devices is far enough to avoid the howling and echo The distance between two devices is recommended to be longer than 10 me...

Page 22: ...UD26778B...

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