SAT-1AS 2M误码测试仪

仪表简介：

  SAT-1AS 2M误码测试仪主要用于测量通信线路数据通信的误码率和分析线路故障的原因。可方便的完成对2M系统，N×64K信道传输参数测量及日常维护测试。

主要特点：

l全中文菜单，大屏幕显示，操作简便；

l便携设计；内置大容量电池，工作时间可达8小时以上；

l可进行多任务工作（可以边测试边翻阅以前的记录）；

l高达9个测试设置存储，20个测试结果存储，并具有掉电记忆功能；

l可定时开启、关闭进行自动测试；

l独特的历史、实时告警灯设计，使您一目了然，并具有误码、告警插入功能；

l具有告警、误码直方图分析；

l可将数据上传至PC机，实现微机上存储、打印，也可直接连接到微型打印机；

l软件上网升级。

主要功能：

  SAT-1AS可实现的基本功能有：

l常规测试

l直通方式

l音频测试

对2Mbit/s接口数字通道可实现中断业务和在线误码测试方式，可进行以下项目的测试：

l成帧和非成帧信号发生和接收

l2Mbit/s非成帧误码性能测试

l2Mbit/s成帧N×64kbit/s通道误码性能测试

l比特误码、编码误码、帧误码、CRC误码、E比特误码性能测试

l信号丢失、AIS告警、帧远端告警、复帧远端告警、帧失步、图案失步告警测试

l频偏测试

l话路通道信号电平、频率测试

l图案滑动测试

l时钟滑动测试

l语音监听

l信令状态显示、话路通道内容显示、话路通道忙闲显示

l告警、误码直方图分析 

l时隙内容、帧内容分析

lG.821、G.826、M.2100误码性能分析

l多种误码和告警插入

l三种输入方式（终接、桥接、监测）

l两种时钟选择（内部、提取）

技术指标：

●2M技术指标

（1） 信号输入速率： 2048kbit/s±50ppm（G.703要求±100ppm）

（2） 信号编码：     HDB3、AMI

（3） 输入抖动容限： 符合G.823

（4）阻抗：非平衡 75Ω 符合G.703

平衡 120Ω 符合G.703

（5） 信号结构：

（5.1）非帧结构

（5.2）帧结构：PCM30、PCM31、PCM30CRC、PCM31CRC

帧结构符合G.704要求

（6） 测试图案：2⁶-1、2⁹-1、2¹¹-1、2¹⁵-1、2²⁰-1、2²³-1、人工码

（7） 误码插入：BIT误码、帧误码、图案滑动码；无，单个，比例插入10-1～10-7

（8）告警插入：无信号、帧丢失、AIS、图案丢失

其它参数：

●供电：

（1）本仪表专用电源适配器

INPUT:AC220V 50Hz

OUTPUT:DC 9V1.2A

（2）仪表内部充电电池

≥4000mAh 6V镍氢可充电电池

工作时间：8小时

充电：关机时充电8小时；开机时充电12小时

●打印机（可选）：μP40-TS(CH)标准电平串口汉字微型打印机

●尺寸和重量：

长×宽×高：220×162×48mm

重   量： 950g

●环境参数：

操作温度： -10～+50℃

储藏温度： -30～+70℃ 

湿 度： 5%～90%非凝结

Major Features

·           LCD large-screen display, 320*240 lattice, backlight, LED indicator

·           Hand held, auto configuration

·           Multi-task operation at one time

·           Store 20 test results and 9 test configurations, with power-off memories

·           PC operation, store, analysis, print

·           Programmable timer

·           Alarm and histogram analysis

·           Software updating

Major Functions

For 2Mbit/s:

·           Service-interrupted error testing

·           Online error testing

·           Framed and unframed signals generating and receiving

·           2Mbit/s unframed error performance testing

·           2Mbit/s framed N×64kbit/s channel error testing

·           Bit error, coding error, frame error, CRC error and E bit error testing

·           Signal loss alarm, AIS alarm, framed remote alarm, multi-framed remote alarm, out-of-frame, and pattern loss alarm

·           Frequency offset testing

·           Line signal level and frequency testing

·           Voice channel signal level and frequency testing

·           Pattern slip testing

·           Clock slip testing

·           Straightforward signaling

·           Audio frequency testing

·           Loop circuit delay testing

·           Automatic protection switching time testing (APS)

·           Clock bias function

·           Sound monitoring

·           Duplex 2Mbit/s detecting and monitoring

·           Signal state display. Voice channel content display. Voice channel busy indication

·           Alarm and error histogram analysis

·           Time slot content analysis, drop and insert signal on each time slot

·           Framed content analysis

·           G.703 Template analysis

·           G. 821/G. 826/M. 2100 error analysis

·           Multi error and alarm inserting

·           Three input modes (terminating, bridging and monitoring)

·           Three clock options (internal, external and picking-up)

·           Jitter testing function

·           Touch screen TFT color LCD (optional)

* The functions of yellow fonts description is a module for user to select.

For Datacom:

·           V.24/RS232/V.28, V.35, V.36, X.21, RS-449, RS-485, RS422, EIA-530, EIA-530A datacom testing

·           SYNCH and ASYNCH testing

·           DTE and DCE emulation

·           Bit code testing

·           Pattern slip testing

·           Signal loss alarm

·           Line signal level and frequency testing

·           Loop delay testing

·           Automatic protection switching time testing(APS)

·           G.821, M2100 service interrupt error testing

For co-directional 64Kbit/s:

·           Service interrupt error testing

·           Bit code testing

·           Pattern slip testing

·           Signal loss, AIS alarm

·           Line signal frequency testing

·           Loop delay testing

·           Automatic protection switching time testing(APS)

·           G.821, M.2100 error testing

Technical Index

·          2Mbit/s Technical Index

(1)        Signal input rate: 2048kbit/s ± 100ppm (G.703 requirement±50PPM)

(2)        Signal code: HDB3, AMI.

(3)        Input jitter tolerance: Up to the requirement of Figure 10.1.

Fig.10.1  Input Jitter Tolerance

(4)       Input balance response: attenuation complies with the law of square root of frequency, and is within the range of 0 to 6dB at 1024 kHz.

(5)       Input Impedance

(5.1)  Unbalance terminating: 75W

Balance terminating: 120W

Reflection loss >18dB within 50Hz~3100kHz

(5.2)  Unbalance bridging: >750W

Balance bridging: >1200W

(5.3)  Unbalance monitoring: 75W, 26dB gain

Balance monitoring: 120W, 26dB gain

Reflection loss >18dB within 50Hz~3100kHz

(6)       Signal structure

(6.1)  Unframed structure

(6.2)  Framed structure: PCM30, PCM31, PCM30CRC, PCM31CRC

Framed structure complies with the requirement of G. 704

(7)       Testing pattern: 2⁶-1, 2⁹-1, 2¹¹-1, 2¹⁵-1, 2²⁰-1, 2²³-1, and artificial code

(8)       Impedance of output interface:

(8.1)  Unbalance 75W, up to G. 703

(8.2)  Balance 120W, up to G. 703

(9)       External clock input

(9.1)  Signal form: HDB3, NRZ

(9.2)  Balance terminating resistance: 120W

Unbalance terminating resistance: 75W

Balance bridging resistance: >1200W

Unbalance bridging resistance: >750W

(10)    Error code insertion: None, single, or ratio 10-1~10-7.

·           Co-directional64k Technical Index

(1)       Signal input rate: 64kbit/s ± 100ppm(G.703 requirement±100PPM)

(2)       Input impedance: Balance 120W, up to G.703

(3)       Input jitter tolerance: Up to G.823.

(4)       Impedance of output interface: Balance 120W, up to G.703

(5)       Testing pattern: 2⁶-1, 2⁹-1, 2¹¹-1, 2¹⁵-1, 2²⁰-1, 2²³-1, and artificial code

·          Datacom Index

(1)        Data interface type: V.24, V.35, V.36, X.21, RS-449, RS-485, EIA-530 and EIA-530A.

(2)        Generator

(2.1)  SYNCH mode

Clock source: Internal or external clock

Phase relation between clock and data: co-direction or reverse direction.

Rate: 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 38.4, 48, 56(kbps), N×64kbps (N=1~32)

Error: ±15ppm (ppm: parts per million)

(2.2)  ASYNCH mode

      Rate: 50,75,110,150,200,300,600,1200,2400,3600,4800,7200,9600; 14.4k,19.2k,38.4k,57.6k(bps)

Data structure: Word length: 5, 6, 7, 8(bits)   Stop bit: 1, 2(bits)

Odd-even check: odd, even, 1, 0, none

(2.3)  Error code insertion: None, single, or ratio 10-1~10-7.

(3)        Receiver

(3.1)  SYNCH mode

Clock source: Internal or external clock

Phase relation between receive clock and receive data: Equidirection or reverse direction.

Clock Rate: 2048kbps at a maximum

(3.2)  ASYNCH mode

      The rate and data are the same as those of the generator.

(4)        Testing pattern: 2⁶-1, 2⁹-1, 2¹¹-1, 2¹⁵-1, 2²⁰-1, 2²³-1, and artificial code

Other Parameters

·           Power supply

(1)        Special power adapter

Input: AC220V 50Hz

Output: DC 9V 1A

(2)        Internal rechargeable battery

4000mAh, 6V nickel-hydrogen rechargeable battery

Working time: 8 hours

Charging: 8 hours at power-off state, and 12 hours at power-on state

·           Dimension and weight

L×W×H: 200×160×42mm

Weight: 950g

·           Ambient parameters

Operation temperature: -10~50℃

Storage Temperature: -30~+70℃       

Humidity: 5%~90%, non-condensing

Standard Configuration