ST2120 2M 服务测试仪是一款功能强大的手持式仪器,可为参与 2M 数字网络安装和维护的技术人员的测试需求提供可扩展、面向未来的解决方案。它提供了验证网络服务质量所需的所有错误和警报测量。
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 项目  | 
 数量  | 
 项目  | 
 数量  | 
| 
 交流电源适配器  | 
 1  | 
 测试管理器专业软件 CD  | 
 1   | 
| 
 汽车点烟器电池转接线  | 
 1  | 
 防水包  | 
 1  | 
| 
 120 欧姆平衡测试电缆  | 
 1  | 
 用户手册  | 
 1  | 
| 
 75 欧姆非平衡测试电缆  | 
 2   | 
 质量证明卡  | 
 1  | 
| 
 USB通讯线  | 
 1  | 
 维修卡  | 
 1   | 
| 
 AA 镍氢充电电池  | 
 5  | 
 | 
 | 
规格
| 
 项目  | 
 描述  | |
| 
 Internal Clock  | 
 2048Kb/s 【 10ppm  | |
| 
 Frequency Deviation  | 
 【999ppm  | |
| 
 Line Interfaces  | 
 75ヘ (Unbalanced), 120ヘ (Balanced); High Input Impedance >2KW  | |
| 
 Line Code  | 
 HDB3, AMI  | |
| 
 Framing  | 
 Unframed, PCM30, PCM30CRC, PCM31, PCM31CRC  | |
| 
 Level Measurement  | 
 -43dB ⅵ -2.5dB  | |
| 
 Tx Clock Source  | 
 Internal, Interface and External 2MHz clock or signal (optional)  | |
| 
 Frequency Measurement  | 
 Accuracy: 【1Hz  | |
| 
 Offset Measurement  | 
 Accuracy:【1ppm   | |
| 
 VF Injection  | 
 Frequency:200Hzⅵ3400Hz,Step:10HZ  | |
| 
 Level:-60dBmⅵ+3dBm  | ||
| 
 VF Measurement  | 
 Frequency:200Hzⅵ3400Hz, Accuracy:【1Hz  | |
| 
 Level range : -60.00dBmⅵ+3.14dBm  | ||
| 
 Delay measurement  | 
 Accuracy: 【1レs  | |
| 
 Test Patterns  | 
 PRBS  | 
 223-1, 215-1, 211-1, 29-1  | 
| 
 Fixed Code  | 
 1111, 0000, 1010  | |
| 
 16-BIT  | 
 User Programmable Word  | |
| 
 Alarm Indications  | 
 Signal Loss, AIS, Frame Loss, MFrame loss, Pattern Loss, Remote Alarm, Errors, Low Battery  | |
| 
 Error Injection  | 
 Type: BIT, FAS, CODE, CRC4, E-BIT  | |
| 
 Single, Fixed Rate: 10-2, 10-3, 10-4, 10-5, 10-6, 10-7  | ||
| 
 Alarm injection  | 
 AIS, Frame Loss, CAS and CRC MFrame Loss, Remote Alarm, Remote MFrame Alarm  | |
| 
 Performance Analysis  | 
 ITU-T G.821, G.826 and M.2100  | |
| 
 Display  | 
 240x160 pixel backlit monochromatic LCD  | |
| 
 Serial Port  | 
 USB Connector  | |
| 
 Rechargeable Batteries  | 
 5】1.2V AA NiMH batteries, continuous working for 6 hours  | |
| 
 Recharge Time  | 
 Approx. 2 hours  | |
| 
 AC Power  | 
 Input: 100V ~ 240VAC, 50/60Hz   | |
| 
 TestManager⑩  | 
 Operating System: WIN98/ME/2000/NT/XP  | |
| 
 Dimensions  | 
 L】W】H 243mm】90/128mm】60mm  | |
| 
 Operating Temperature  | 
 0∩ ~ 50∩  | |
| 
 Storage Temperature  | 
 -20∩ ~ 70∩  | |
| 
 Humidity  | 
 5% ~ 95% non-condensing  | |
| 
 Weight  | 
 Approx. 700g  | |
