Extron SW 系列是一组高性能的有源复合视频、S-视频和立体声音频切换 器。具有高度灵活性的 SW 系列切换器最多可提供 12 路输入。复合视频 和 S-视频切换器具有同步锁相输入和帧间隔切换的功能，使来自不同视频 信号源的信号保持同步，从而实现在不同输入之间切换时平滑、纯净的过 渡。每种带音频的型号都包括可调整的音频输入增益及衰减，允许用户设置 独立的输入音频电平，并且在切换信号源时不会产生明显的音量差异。SW 视音频切换器提供多种控制选项，包括前面板按键、RS-232、触点闭合和 自动输入切换。
Extron SW 系列是一组高性能的有源复合视频、S-视频和立体声音频切换 器。具有高度灵活性的 SW 系列切换器最多可提供 12 路输入。复合视频 和 S-视频切换器具有同步锁相输入和帧间隔切换的功能，使来自不同视频 信号源的信号保持同步，从而实现在不同输入之间切换时平滑、纯净的过 渡。每种带音频的型号都包括可调整的音频输入增益及衰减，允许用户设置 独立的输入音频电平，并且在切换信号源时不会产生明显的音量差异。SW 视音频切换器提供多种控制选项，包括前面板按键、RS-232、触点闭合和 自动输入切换。
特性
RS-232 控制
触点闭合遥控 – 仅限 SW 4 和 SW 6 型号
250 MHz（-3 dB）视频带宽，视频型号
兼容 NTSC、PAL 和 SECAM 视频
帧间隔切换和自动输入切换功能 – 视频型号
自动检测有源信号的输入，并通过 RS-232 端口报告该信息 – 视频型号
示意图
面板图
| SW 4/6/8/12AV Series Switchers | |||
| Video | |||
|---|---|---|---|
| Gain | Unity | ||
| Bandwidth | |||
| Composite video 4, 6, and 8 input models | 300 MHz (-3 dB) | ||
| S-video models and composite video 12 input models | 250 MHz (-3 dB) | ||
| Crosstalk | <-60 dB @ 5 MHz | ||
| Switching speed | <20 ms (max.) | ||
| Video input | |||
| Number/signal type | |||
| SW 8/12V, SW 4/6/8AV/AV RCA, SW 6/8/12A/A RCA | 4, 6, 8, or 12 (depending on the model) composite video | ||
| SW 6/8/12SV, SW 4/6SVA/SVA RC | 4, 6, 8, or 12 (depending on the model) S-video | ||
| Connectors | |||
| SW 8/12V, SW 4/6/8AV/AV RCA, SW 6/8/12A/A RCA | 4, 6, 8, or 12 (depending on the model) female BNC | ||
| SW 6/8/12SV, SW 4/6SVA/SVA RC | 4, 6, 8, or 12 (depending on the model) female 4-pin mini DIN | ||
| Nominal level | 1 Vp-p for Y of S-video, and for composite video 0.3 Vp-p for C of S-video |
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| Minimum/maximum levels | 0.4 V to 2.0 Vp-p with no offset | ||
| Impedance | 75 ohms | ||
| Return loss | <-29 dB @ 0 to 10 MHz | ||
| DC offset (max. allowable) | 5.0 V | ||
| Video output | |||
| Number/signal type | |||
| Composite video models | 2 buffered composite video | ||
| S-video models | 1 buffered S-video, 1 buffered composite video | ||
| Connectors | |||
| Composite video models | 2 female BNC | ||
| S-video models | 1 female BNC, 1 female 4-pin mini DIN | ||
| Nominal level | 1 Vp-p for Y of S-video, and for composite video 0.3 Vp-p for C of S-video |
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| Minimum/maximum levels | 0.4 V to 2.0 Vp-p (follows input) | ||
| Impedance | 75 ohms | ||
| Return loss | -30 dB @ 5 MHz | ||
| DC offset | ±5 mV with input at 0 offset | ||
| Switching type | Vertical interval switching | ||
| Sync | |||
| Genlock connectors | 2 female BNC (1 input, 1 loop-through) | ||
| Standards | NTSC 3.58, NTSC 4.43, PAL, SECAM | ||
| Audio | |||
| Gain | Adjustable. When gain is set to unity (0 dB), balanced output from captive screw connectors or unbalanced output from RCA connectors has a 0 dB gain; unbalanced output from captive screw connectors is attenuated by 6 dB. | ||
| Frequency response | 20 Hz to 20 kHz, ±0.5 dB | ||
| THD + Noise | <0.04% @ 1 kHz at nominal level | ||
| S/N | >90 dB at maximum output (unweighted) | ||
| Audio input | |||
| Number/signal type | |||
| SW 4/6/8AV, SW 4/6SVA, SW 6/8/12A | 4, 6, 8, or 12 (depending on the model) stereo, balanced/unbalanced | ||
| SW 4/6AV RCA, SW 4/6SVA RCA, SW 6A RCA | 4, 6, 8, or 12 (depending on the model) stereo, unbalanced | ||
| Connectors | |||
| SW 4/6/8AV, SW 4/6SVA, SW 6/8/12A | 4, 6, 8, or 12 (depending on the model) 3.5 mm captive screw connectors, 5 pole | ||
| SW 4/6AV RCA, SW 4/6SVA RCA, SW 6A RCA | 8, 12, 16, or 24 (depending on the model) female RCA | ||
| Impedance | |||
| RCA models | 12k ohms unbalanced, DC coupled | ||
| All other models | 25k ohms unbalanced, 50k ohms balanced, DC coupled | ||
| Nominal level | +4 dBu (1.23 Vrms), -10 dBV (316 mVrms), configurable | ||
| Maximum level | >+15 dBu, (balanced or unbalanced) at 1% THD+N | ||
| Input gain adjustment | –18 dB to +24 dB, adjustable per input | ||
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| Audio output | |||
| Number/signal type | |||
| SW 4/6/8AV, SW 4/6SVA, SW 6/8/12A | 2 stereo, balanced/unbalanced | ||
| SW 4/6AV RCA, SW 4/6SVA RCA, SW 6A RCA | 1 stereo, unbalanced | ||
| Connectors | |||
| SW 4/6/8AV, SW 4/6SVA, SW 6/8/12A | (2) 3.5 mm captive screw connectors, 5 pole | ||
| SW 4/6AV RCA, SW 4/6SVA RCA, SW 6A RCA | 2 female RCA (1) 3.5 mm captive screw connector, 5 pole |
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| Impedance | 50 ohms unbalanced, 100 ohms balanced | ||
| Gain error | ±0.1 dB channel to channel | ||
| Nominal level | +4 dBu (1.23 Vrms), -10 dBV (316 mVrms), configurable | ||
| Maximum level (Hi-Z) | >26 dBu, balanced; >+20 dBu, unbalanced at 1% THD+N | ||
| Maximum level (600 ohm) | >21 dBm, balanced; >+15 dBm, unbalanced at 1% THD+N | ||
| Control/remote — switcher | |||
| Serial control port | RS-232, female 9-pinD connector (also used for contact closure for 4- and 6-input models) | ||
| Baud rate and protocol | 9600 baud, 8 data bits, 1 stop bit, no parity | ||
| Serial control pin configuration | 2 = Tx, 3 = Rx, 5 = GND | ||
| Contact closure (SW 4 and 6 models only) | 1 female 9-pin D connector (also used for RS-232) | ||
| Contact closure pin configuration (SW 4 and 6 models only) | 1 = input 1, 4 = input 2, 5 = GND, 6 = input 3, 7 = input 4, 8 = input 5, 9 = input 6 | ||
| IR controller module | Extron IR 102 kit (optional) | ||
| Program control | Extron control/configuration program for Windows ® Extron Simple Instruction Set (SIS ™ ) |
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| General | |||
| Power supply | Internal Input: 100-240 VAC, 50-60 Hz |
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| 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 | Convection, no vents | ||
| Mounting | |||
| Rack mount | Yes, with included rack mounting kit | ||
| Furniture mount | Yes, with optional under-desk mounting kit | ||
| Enclosure type | Metal | ||
| Enclosure dimensions | 1.75" H x 17.4" W x 8.5" D (1U high, full rack wide) 4.4 cm H x 44.2 cm W x 21.6 cm D (Depth excludes connectors.) |
||
| Product weight | 7.0 lbs (3.2 kg) | ||
| Shipping weight | 10 lbs (5 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 | ||
| Product warranty | 3 years parts and labor | ||
| Everlast power supply warranty | 7 years parts and labor | ||
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| (8.0-090712-D9) | |||
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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