Bộ mã hóa hình qua mạng Grandstream GXV3501

Channels

4

Video Compression

H.264 BP @Level 3.0, JPEG, Motion JPEG

Max Video Resolution

FullD1: 720 x 576 (PAL) 720 x 480 (NTSC)

Max Frame Rate in Max Video Resolution

75fps/62.5fps (NTSC/PAL): 4 Ports at CIF at full rate, or 2 Ports at D1 & 2 Ports at CIF at full rate , or 4 ports at D1 at reduced rate

Video Bit Rate

32 Kbps – 2 Mbps

Video Input

4 (BNC, voltage 1.0Vp-p, resistance 75 Ohm)

Audio Input

4 (BNC), 3.5mm LINE-IN

Audio Output

3.5mm LINE-OUT

Audio Compression

G.711, G.726

Alarm Input

4

Alarm Output

4 (125VAC/0.5A, 30VAC/2A)

PTZ Control

Yes

Serial Ports

RS485 / RS232

Embedded Analytics

Motion Detection (up to 16 target areas), video loss (pending)

Pre-/post alarm buffer

24MB (per channel)

Snapshots

trigger upon events, send via email/FTP

Multi-streaming-rate for Preview and Recording

Yes

Security

Video watermark, HTTPS, password

Power over Ethernet (PoE)

Standard, IEEE 802.3af Class 3

Peripheral Ports

SD 2.0, USB Host 2.0

Wi-Fi (802.11b/g)

5dB external antenna, GXV3504W only

SIP/VoIP Support

Yes

Temperature / Humidity

Humidity 10–90% RH (non–condensing)

Power

Output: 12VDC/1.5A; Input: 100–240VAC, 50–60Hz