The 7780DLY-ASI is a complete hardware based solution that can delay a compressed stream on ASI for up to 16 seconds. As more providers are using different sources with various delays, like satellite, fiber and off air, they need to be able to match these streams by delaying them by multiple seconds in order to line up in time the different inputs.
Most broadcast equipment offers few millisecond of built in buffer, but in many cases it is not enough delay for stream matching.
The 7780DLY-ASI can delay a full ASI stream up to 213Mb/s. The delay is programmable and adjustable by 1ms increment from 0 to 16 seconds.
The 7780DLY-ASI fits in the 7700 series frame and offers signal input monitoring by sending SNMP traps to the industry leading VistaLINK® PRO.
特点
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|
指标
| ASI Input/Output | |
|---|---|
| 标准 | DVB TR101 891, 270Mb/s |
| 输入数量 | 1 |
| 输出数量 | 1 (with relay bypass) |
| Bitrate | 100kb/s to 213Mb/s |
| Serial Video Output (OSD) | |
|---|---|
| 输出数量 | 1 |
| 端口数目 | BNC per IEC 61169-8 Annex A |
| 信号电平 | 800mV nominal |
| 直流偏置 | 0V ±0.5V |
| 上升/下降时间 | 200ps nominal (HD), 740ps nominal (SD) |
| 过冲 | < 10% of amplitude |
| 反射损失 | > 15dB up to 1.5Gb/s (HD) |
| Wide Band Jitter | < 0.2UI |
| 电气 | |
|---|---|
| 电压 | +12V DC |
| 功率 | 20 瓦 |
| EMI/RFI | Complies with FCC Part 15, Class A, EU EMC Directive |
| 物理参数 | |
|---|---|
| 插槽数 | |
| 7700 frame mounting | 2 |
| 7701 frame mounting | 1 |
| Standalone Enclosure | |
| 尺寸 | 14" L x 4.5" W x 1.9" H (355mm L x 114mm W x 48mm H) |
| 双通道 | Approx. 1.5lbs. (0.7kg) |
订购信息
| 7780DLY-ASI | ASI Delay |
|---|
| 订购可选项 | |
|---|---|
| 注意 | • 后面板必须在下订单是指明 - eg: [model]+3RU |
| 后面板后缀 | |
|---|---|
| +3RU | 3RU 后面板用于7800FR, 7801FR, 7700FR-C 或 350FR 多用途主机 |
| +1RU | 1RU 后面板用于7701FR 多用途主机 |
| +SA | 独立封装后面板 |
| 机箱 | |
|---|---|
| 350FR | Portable Multiframe which holds 7 modules |
| 7700FR-C | 3RU 多用途主机,可装15 个模块 |
| 7800FR | 3RU 多用途主机,可装15 个模块 |
| 7701FR | 1RU 多用途主机,可装 3 个模块 |
| S7701FR | 独立封装 |



