描述
VTA2511G
VTA2511G 屬大華視像對講產品。傑成系統有限公司（香港防盜）為大華產品安裝商及經銷商，可提供供應、安裝、調試、保養及維修。方案可參考視像對講系統。規格以原廠資料為準。
規格
System
| Main Processor |
Embedded Processor |
| Operating System |
Embedded Linux OS |
| Button Type |
Mechanical |
| Network Protocol |
UDP; TCP; IPv4; RTSP; SIP; P2P; RTP |
Basic
| Audio Compression |
G.711a; G.711Mu; G.711u; PCM; MP3; G726 |
| Audio Input |
Built-in dual-way silicon microphone, external 3.5 mm audio input |
| Audio Output |
Built-in dual speaker, external active speaker |
| Audio Mode |
Two-way audio |
| Audio Enhancement |
Echo suppression/digital noise reduction |
| Audio Bit Rate |
16 KHz, 16 Bit |
Function
| Communication Mode |
Full digital |
Performance
| Casing Material |
Aluminum alloy |
Port
| RS-485 |
1 |
| Alarm Input |
2 |
| Alarm Output |
2 |
| Power Output |
2 (12 V/1 A;12 V/200 mA) |
| Network Port |
2 × 10 M/100 M ports |
Alarm
General
| Appearance Color |
Silver |
| Power Supply |
12 VDC, 3 A; Standard PoE |
| Power Adapter |
Optional |
| Installation |
Surface Mount |
| Certifications |
CE |
| Accessory |
Surface mount box (optional) |
| Product Dimensions |
190.0 mm × 120.0 mm × 42.0 mm (7.5" × 4.7" × 1.7") |
| Protection |
IP65; IK10 |
| Operating Temperature |
–30 °C to +60 °C (-22 °F to +140 °F) |
| Operating Humidity |
10%–90% (RH), non-condensing |
| Operating Environment |
Outdoor |
