VP-894S四線計算機語音卡
2003/01/03
電 氣 特 性
|
規(guī) 格
|
On-board CPU
|
Intel 8088
|
On-board Buffer
|
256Kbyte DRAM
|
Shared Buffer
|
32Kbyte SRAM
|
Voice Digitization
|
μ-Law PCM with Compression
|
Voice Data Rate
|
4.9K-16Kbits/sec
|
Voice DSP
|
DALLAS 2132A
|
Bus Structure
|
≧8Mhz,8 bits
|
Interrupt Level
|
one for all ports
|
I/O Address
|
fixed
|
Max.Boards/System
|
16
|
Phone Interface
|
analog
|
Start Method
|
loop start
|
Connector
|
4×RJ11
|
Impedance
|
600Ω / 900Ω
|
Frequency Response
|
300-3.4khz @16kbps
|
Ring Detection
|
40-130Vms,15-68Hz
|
Loop Current
|
20-120ma
|
Local Phone Leads
|
Equipped
|
Outbound Dialing
|
DTMF&Pulse
|
Inbound Reception
|
DTMF&Pulse
|
Crosstalk
|
<50dB
|
CPM Detection
|
Yes
|
Internal Bridging
|
Adjacent Channels
|
Power Requirement
|
±5Vdc
|
Operating Temperature
|
0°Cto +50°C
|
Storage Temperature
|
-10°Cto +60°C
|
Humidity
|
10%to 80%non-condensing
|
Certifications
|
CE,FCC&BZT
|
技聲語音公司供稿 CTI論壇編輯
崇明县| 峨眉山市| 清镇市| 米易县| 巩义市| 绥宁县| 石林| 西盟| 侯马市| 敦化市| 丹寨县| 无锡市| 韶关市| 凤城市| 渭南市| 遵义县| 南陵县| 海城市| 武邑县| 安阳县| 吐鲁番市| 来安县| 襄垣县| 晋州市| 周至县| 庆云县| 安塞县| 介休市| 新乡市| 阳山县| 长宁区| 涡阳县| 虞城县| 南京市| 读书| 益阳市| 曲水县| 肇源县| 饶河县| 疏附县| 株洲县|