VP-894S四線計(jì)算機(jī)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
陕西省| 资阳市| 磴口县| 巴彦县| 永顺县| 盐边县| 沾益县| 新河县| 探索| 台北市| 桂东县| 巨野县| 平湖市| 吉木萨尔县| 永吉县| 巢湖市| 化德县| 舒兰市| 吉林省| 岚皋县| 宣汉县| 丹江口市| 东山县| 容城县| 奉节县| 监利县| 阿瓦提县| 榆中县| 射洪县| 石首市| 额敏县| 扎囊县| 东阳市| 龙陵县| 大宁县| 日土县| 固镇县| 红河县| 漠河县| 邵阳市| 麟游县|