Extron MLS 103 V MediaLink 切换器是一款紧凑型 3 路输入、1 路输出并使用 BNC 连接器的有源切换器。输入 1 至 4 提供非平衡音频，1 路附加输入则 是有源辅助线路电平单声道音频输入，可以与其它 4 路可选择输入中的任 何一路混合。在与 MediaLink 控制器配合使用时，可以使用控制器的用户界 面或 RS-232 轻松地进行输入选择和音量控制。输入选择还可以使用切换 器的前面板按键来进行控制。
| 可选附件 | ||
|---|---|---|
| RCAF-BNCM | RCA Female to BNC Male Adapter | |
| PMK 100 | 用于 1/4 机架宽产品的杆式安装套件 | |
| RSF 123 | 用于 3.5" 深产品的机架搁板套件 | |
| SVHSM-2BNCF | S-Video Male to 2 BNC Female Adapter | |
Extron MLS 103 V MediaLink 切换器是一款紧凑型 3 路输入、1 路输出并使用 BNC 连接器的有源切换器。输入 1 至 4 提供非平衡音频，1 路附加输入则 是有源辅助线路电平单声道音频输入，可以与其它 4 路可选择输入中的任 何一路混合。在与 MediaLink 控制器配合使用时，可以使用控制器的用户界 面或 RS-232 轻松地进行输入选择和音量控制。输入选择还可以使用切换 器的前面板按键来进行控制。
特性
250 MHz (-3 dB) 视频带宽
附加输入可接受单声道线路电平音频信号，以便与 4 路可切换输入中的 任何一路混合
可通过 RS-232 执行音频输入增益和衰减
可通过 RS-232 或 MediaLink 控制器执行远程音量控制
可通过 MediaLink 控制器、前面板或 RS-232 执行输入选择控制
可机架式安装、1U 高、1/4 机架宽的金属外壳
随附外置式通用电源，产品编号为 #70-775-01
示意图
面板图
| MLS 103 V | |||
| Video | |||
|---|---|---|---|
| Gain | Unity | ||
| Bandwidth | 250 MHz (-3 dB) | ||
| Differential phase error | 0.01°, at 3.58 MHz and 4.43 MHz | ||
| Differential gain error | 0.01%, at 3.58 MHz and 4.43 MHz | ||
| Crosstalk | -50 dB @ 5 MHz | ||
| Video input | |||
| Number/signal type | 3 composite video | ||
| Connectors | 3 female BNC | ||
| Nominal level | 1 Vp-p for composite video | ||
| Minimum/maximum levels | 0.3 V to 2.0 Vp-p with no offset | ||
| Impedance | 75 ohms | ||
| Horizontal frequency | 15 kHz to 150 kHz | ||
| Vertical frequency | 30 Hz to 150 Hz | ||
| Return loss | <-45 dB @ 5 MHz | ||
| DC offset (max. allowable) | 1.5 V | ||
| Video output | |||
| Number/signal type | 1 composite video | ||
| Connector | 1 female BNC | ||
| Nominal level | 1 Vp-p for composite video | ||
| Minimum/maximum levels | 0.3 V to 2.0 Vp-p | ||
| Impedance | 75 ohms | ||
| Return loss | -38 dB @ 5 MHz | ||
| DC offset | ±5 mV maximum with input at 0 offset | ||
| Sync | |||
| Standards | TTL (RGB), NTSC 3.58, NTSC 4.43, PAL, SECAM | ||
| Input level | 0.5 V to 5.0 Vp-p | ||
| Output level | 0.5 V to 5.0 Vp-p, unterminated | ||
| Input impedance | 75 ohms | ||
| Output impedance | 75 ohms | ||
| Max. input voltage | 5.0 Vp-p | ||
| Max. propagation delay | 30 ns | ||
| Polarity | Positive or negative (follows input) | ||
| Audio | |||
| Gain | Unbalanced output: -6 dB; balanced output: 0 dB (unity) | ||
| Frequency response | 20 Hz to 20 kHz, ±0.5 dB | ||
| THD + Noise | <0.5% @ 1 kHz at nominal level | ||
| S/N | >90 dB @ 20 Hz to 20 kHz | ||
| Crosstalk | <-65 dB @ 20 Hz to 20 kHz, <-80 dB @ 1 kHz and below 60 Hz, fully loaded | ||
| Stereo channel separation | >72 dB @ 20 Hz to 20 kHz | ||
| CMRR | >75 dB @ 20 Hz to 20 kHz | ||
| Audio input | |||
| Number/signal type | 4 stereo/mono, unbalanced (switchable) 1 mono, balanced/unbalanced aux-mix (always active, non-switchable) |
||
| Connectors | (5) 3.5 mm captive screw connectors, 3 pole | ||
| Impedance | >10k ohms unbalanced, >20k ohms balanced, DC coupled | ||
| Nominal level | -20 dBV (100 mV), -10 dBV (316 mV), 0dBu (0.775 V), or +4 dBu (1.23 V); (configurable) | ||
|
|||
| Maximum level | +14 dBu, (balanced or unbalanced) at stated %THD+N | ||
| Input gain adjustment | –18 dB to +24 dB, adjustable per input (via RS-232/control software) | ||
| Aux/Mix level adjustment | -43 dB to +24 dB (adjustable only via front panel) | ||
| Audio output | |||
| Number/signal type | 1 stereo or mono, balanced/unbalanced | ||
| Connectors | (1) 3.5 mm captive screw connector, 5 pole | ||
| Impedance | 50 ohms unbalanced, 100 ohms balanced | ||
| Gain error | ±0.1 dB channel to channel | ||
| Maximum level (Hi-Z) | >+21 dBu, balanced or unbalanced at 1% THD+N | ||
| Maximum level (600 ohm) | >+15 dBm, balanced or unbalanced at 1% THD+N | ||
|
|||
| Control/remote — switcher | |||
| Serial control port | RS-232, 3.5 mm, 5 pole captive screw connector | ||
| Baud rate and protocol | 9600 baud, 8 data bits, 1 stop bit, no parity | ||
| Serial control pin configuration | A = TX, B = RX, D = GND | ||
| Program control | Extron control/configuration program for Windows ® Extron Simple Instruction Set (SIS ™ ) |
||
| General | |||
| Power | Supplied by an optional MediaLink Controller (MLC) or an external power supply | ||
| External power supply (included) | 100 VAC to 240 VAC, 50-60 Hz, external; to 12 VDC, 1 A max., regulated | ||
| Power input requirements | 12 VDC, 0.4 A | ||
| 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 |
||
| Cooling | Convection, no vents | ||
| Mounting | |||
| Rack mount | Yes, with optional 1U rack shelf | ||
| Furniture mount | Yes, with optional mini under-desk mounting kit | ||
| Pole mount | Yes, with optional mini pole mounting kit | ||
| Enclosure type | Metal | ||
| Enclosure dimensions | 1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide) (4.2 cm H x 11.0 cm W x 7.6 cm D) (Depth excludes connectors and buttons.) |
||
| Product weight | 0.7 lbs (0.3 kg) | ||
| Shipping weight | 3 lbs (2 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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| (7.6-100509-D4) | |||
| 可选附件 | ||
|---|---|---|
| RCAF-BNCM | RCA Female to BNC Male Adapter | |
| PMK 100 | 用于 1/4 机架宽产品的杆式安装套件 | |
| RSF 123 | 用于 3.5" 深产品的机架搁板套件 | |
| SVHSM-2BNCF | S-Video Male to 2 BNC Female Adapter | |
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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