Extron SGS 408是一种8路输入的高分辨率分量与RGB视频矩阵切换器;它能提供平滑切换、淡入淡出、划变、字幕以及图像解析度转换功能，为实况多媒体活动和演示提供专业质量切换与风格。SGS 408设计用于舞台演出与租赁应用，它能在一台共用投影机连接的多信号源间提供平滑切换和数字、演示级的转换效果。SGS 408结合了两个高性能视频图像解析度转换器及一台数字视频切换台，能处理来自视频信源直至高分辩率工作站的分量视频和任何类型的RGB输入。它提供12种淡入淡出、划变及字幕效果，显著增强展示与演示的专业效果。
Extron SGS 408是一种8路输入的高分辨率分量与RGB视频矩阵切换器;它能提供平滑切换、淡入淡出、划变、字幕以及图像解析度转换功能，为实况多媒体活动和演示提供专业质量切换与风格。SGS 408设计用于舞台演出与租赁应用，它能在一台共用投影机连接的多信号源间提供平滑切换和数字、演示级的转换效果。SGS 408结合了两个高性能视频图像解析度转换器及一台数字视频切换台，能处理来自视频信源直至高分辩率工作站的分量视频和任何类型的RGB输入。它提供12种淡入淡出、划变及字幕效果，显著增强展示与演示的专业效果。
特性
BNC插座接8个分量视频与RGsB、RGBS、或RGBHV输入
4种预置分量视频色空间转换选择：SMPTE、Beta 50、Beta 60和HDTV
输出分辨率从640×480至1360×1024，外加848×480、852×480、1280×768及1360×765用于等离子显示，以及480p、720p、1080i及1080p/60用于HDTV
具有背景图像更换功能：用于通过程序输入显示文本或图形
5种测试图形：遮幅、方格测试图、灰度梯级、黑白交变像素及色带，用于"程序"和"预览"，或仅用于"预览"
针对每路输入可保存和调用最多16个图象设置存储；通过RS-232可手动调用128个设置存储
示意图
面板图
| SGS 408 Seamless Switcher | |||
| Video | |||
|---|---|---|---|
| Routing | 8 x 2 matrix | ||
| Gain | Variable, set by the contrast control | ||
| Video input | |||
| Number/signal type | 8 RGBHV, RGBS, RGsB, component video | ||
| Connectors | 8 x 5 BNC female | ||
| Nominal level | 1 Vp-p for Y of component video 0.7 Vp-p for RGB and for R-Y and B-Y of component video |
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| Minimum/maximum levels | 0 V to 2.0 Vp-p with no offset | ||
| Impedance | 75 ohms | ||
| Input termination | High Z | ||
| Horizontal frequency | Autoscan 15 kHz to 100 kHz | ||
| Vertical frequency | Autoscan 50 Hz to 120 Hz | ||
| Resolution range | Autoscan 560 x 384 to 1600 x 1200 | ||
| DC offset (max. allowable) | 0.5 V | ||
| Video processing | |||
| Digital sampling | 24 bit, 8 bits per color; 140 MHz standard | ||
| Horizontal filtering | 8 levels | ||
| Vertical filtering | 8 levels | ||
| Frame rate delay | 0 to 1 field | ||
| Video output | |||
| Number/signal type | 2 (program and preview) RGBHV, RGBS | ||
| Connectors | Program output: 5 BNC female, (1) 15-pin HD female Preview output: 5 BNC female, (1) 15-pin HD female, 1 DVI (optional) |
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| Nominal level | 0.7 Vp-p for RGB | ||
| Minimum/maximum levels | 0 V to 0.7 Vp-p | ||
| Impedance | 75 ohms | ||
| Scaled resolutions | 640x480 1,3,4,5 , 800x600 1,3,4,5 , 832x624 3,4,5 , 848x480 3,5 , 852x480 3,5 , 1024x768 1,3,4,5 , 1280x768 2,5 ,1280x1024 1,3,5 , 1360x765 3,5 , 1365x1024 3,5 , 1400x1050 1,3,5 , 576p 1,5 , 720p 3,5 , 1080i 1,3,5 , and 1080p 3,5 1 = at 50 Hz ; 2 = at 56 Hz; 3 = at 60 Hz; 4 = at 75 Hz; 5 = locked to the current vertical refresh rate of input 1 (Accu-RATE Frame Lock) |
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| DC offset | ±50 mV (max.) with input at 0 offset | ||
| Sync | |||
| Input type | Autodetect RGBHV, RGBS, RGsB | ||
| Output type | RGBHV, RGBS | ||
| Input level | 3.0 V to 5.0 Vp-p | ||
| Output level | TTL: 5.0 Vp-p, unterminated | ||
| Input impedance | 510 ohms | ||
| Output impedance | 75 ohms | ||
| Max. input voltage | 5.0 Vp-p | ||
| Output polarity | Composite sync: negative H/V: user-selectable |
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| Control/remote — switcher | |||
| Serial control port | RS-232, 9-pin female D connector | ||
| Baud rate and protocol | 9600 baud, 8 data bits, 1 stop bit, no parity | ||
| Serial control pin configurations | 2 = Tx, 3 = Rx, 5 = GND | ||
| RCP port | 4-pin XLR | ||
| Program control | Extron control/configuration program for Windows ® Extron Simple Instruction Set (SIS ™ ) |
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| General | |||
| Power | 100 VAC to 240 VAC, 50/60 Hz, 60 watts, internal, autoswitchable | ||
| Temperature/humidity | Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing |
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| Cooling | Fans, right to left (as viewed from the front panel) | ||
| Mounting | |||
| Rack mount | Yes, with attached mounting brackets | ||
| Enclosure type | Metal | ||
| Enclosure dimensions | 5.25" H x 17.5" W x 11.2" D (3U high, full rack wide) 13.3 cm H x 44.4 cm W x 28.4 cm D (Depth excludes connectors. Width excludes rack ears.) |
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| Product weight | 13.8 lbs (6.3 kg) | ||
| Shipping weight | 21 lbs (10 kg) | ||
| Vibration | ISTA 1A in carton (International Safe Transit Association) | ||
| Regulatory compliance | |||
| Safety | CE, c-UL, UL | ||
| EMI/EMC | CE, C-tick, FCC Class A, ICES, VCCI | ||
| Warranty | 3 years parts and labor | ||
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| (7.6-040110-D5) | |||
中国上海市松江区茸华路 686 号
(联系就说在DAV音视工程网上看到的)
Sales-China@Extron.com
021-3760 1566
爱思创电子（上海）有限公司（爱思创Extron中国）全球总部位于美国加州，是世界领先的专业视音频系统集成产品的生产商。爱思创Extron产品主要包括视音频控制系统、计算机视频接口、切换器、矩阵切换器、分配放大器、音频放大器、扬声器、双绞线和光纤设备、视频图像解析度转换器、视音频信号处理器、视音频流媒体产品、教室声场系统及高分辨率电缆。爱思创Extron电子提供专业视音频工程、培训、设计、演示支持。
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