Share on (62564839592):
Master | RAM | FLASH | AD chip | HDD |
3521D | 8G | 16M | 2831 | 2 |
channel | Channel mode (Analog channel + digital channel) | Playback | Preview (Analog channel + digital channel) | ||
Serial number | Number of lines * resolution / frame rate | Number of lines * resolution / frame rate | Preview the number of frames | ||
4CH | 1 | 4 * 5M/12+ 0 | 4 * 5M/12 | 4 * 5M/20 + 0 | |
2 | 4 * 8M/6 + 0 | 2 * 8M/6 | 4 * 8M/15 + 0 | ||
3 | 2 * 5M/12 + 2 * 5M/25 | 2 * 5M/25 | 2 * 5M/20+ 2 * 5M/25 | ||
4 | 0 + 8 * 1080P/25 | 8 * 1080P/25 | 0 + 8 * 1080P/25 | ||











Technical parameters | ||||
system | Compression format | H.265、H.265+ | ||
operating system | Embedded Linux operating system | |||
video | enter | 4 | ||
VGA output | Yes | |||
BNC output | Yes | |||
Loop output | NO | |||
HDMI output | Yes | |||
Audio | Audio Input | 4 | ||
Audio output | 1 | |||
Two-way intercom | Yes | |||
Video | Real-time video frequency | 4Ch is not real time | ||
Video mode | Timing, manual, dynamic detection, external alarm | |||
Playback | The number of simultaneous playback | 4 | ||
Search mode | Time point retrieval, calendar retrieval, event retrieval, channel retrieval | |||
Backup | USB mobile hard disk, U disk | Yes | ||
USB DVD burner | Yes | |||
Backup file format | H264、H265、AVI | |||
remote access | Browser | Supports multiple web browsers | ||
CMS | Support CMS3.0、VMS | |||
APP | Support for iPhone, Android | |||
Alarm | Alarm input | 4 | ||
Alarm Output | 1 | |||
storage | HDD number | 2 | ||
E-SATA | NO | |||
PTZ | interface | 1*RS485 | ||
protocol | PELCOP,PELCOD,LILIN,MINKING,NEON,STAR,VIDO,DSCP,VISCA,SAMSUNG,RM110,HY | |||
control method | Pan, Tilt, Zoom, Preset, Cruise, Trace | |||
Network | Network port | 10 / 100 Mbps Ethernet (RJ-45) | ||
Network protocol | TCP/IP, DHCP, DDNS, NTP, SMTP | |||
other | remote control | Yes | ||
power supply | DC12V /4A | |||
Work Temperature | -10°C ~60°C | |||
Working humidity | 10% ~ 90% Humidity | |||










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