ST2125 2M传输分析仪是一款功能强大的手持式仪器,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全功能错误和警报测量。
| 
 Item  | 
 Descriptions  | |
| 
 Internal Clock  | 
 2048Kb/s ± 10ppm  | |
| 
 Frequency Deviation  | 
 ±999ppm  | |
| 
 Line Interfaces  | 
 75Ω (Unbalanced), 120Ω (Balanced); High Input Impedance >2KW  | |
| 
 Line Code  | 
 HDB3, AMI  | |
| 
 Framing  | 
 Unframed, PCM30, PCM30CRC, PCM31, PCM31CRC  | |
| 
 Receive Sensitivity  | 
 > -43dB  | |
| 
 Tx Clock Source  | 
 Internal, Interface and External 2MHz clock or HDB3 signal  | |
| 
 Pulse Mask Measurement  | 
 Comply with G.703  | |
| 
 Jitter Measurement  | 
 Comply with O.172  | |
| 
 Frequency measurement  | 
 Accuracy: ±1Hz  | |
| 
 Offset Measurement  | 
 Accuracy: ±1ppm  | |
| 
 VF Injection  | 
 Frequency: 200Hz~3400Hz, Step: 10Hz  | |
| 
 Level: -60dBm~+3dBm  | ||
| 
 VF Measurement  | 
 Frequency: 200Hz~3400Hz, Accuracy: ±1Hz  | |
| 
 Level range : -60.00dBm~+3.14dBm  | ||
| 
 Delay Measurement  | 
 Accuracy: ±1μs  | |
| 
 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,   | |
| 
 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,   | |
| 
 Performance Analysis  | 
 ITU-T G.821, G.826 and M.2100  | |
| 
 Display  | 
 320x240 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 Adapter  | 
 Input: 100V~240VAC, 50/60Hz  | |
| 
 TestManagerPro  | 
 Operating System: WIN98/ME/2000/NT/XP  | |
| 
 Dimensions  | 
 L×W×H: 266mm × 90/144mm × 60mm  | |
| 
 Operating Temperature  | 
 0℃~50℃  | |
| 
 Storage Temperature  | 
 -20℃~70℃  | |
| 
 Humidity  | 
 5%~95% non-condensing  | |
| 
 Weight  | 
 Approx. 800g  | |
| Item | 
 Qua  | 
 Item  | 
 Qua  | 
| 
 E1 Transmission Analyzer  | 
 1  | 
 TestManagerPro Setup CD  | 
 1  | 
| 
 AC Power Adapter  | 
 1  | 
 AA NiMH Rechargeable Batteries (Built-in)  | 
 5  | 
| 
 Automobile Cigarette Lighter Battery Adapter Cable  | 
 1  | 
 Waterproof Package  | 
 1  | 
| 
 E1 75Ω Unbalanced Test Cable  | 
 2  | 
 Quality Certificate Card  | 
 1  | 
| 
 E1 120Ω Balanced Test Cable  | 
 1  | 
 Maintenance Card  | 
 1  | 
| 
 USB Communication Cable  | 
 1  | 
 Packing List  | 
 1  | 
| 
 Users Manual  | 
 1  | 
 
  | 
 
  | 
| Code | 
 Option Name  | 
 Acquired Way  | 
 Additional Accessories  | 
 Qua  | 
| 
 Option1  | 
 Double E1 channels monitoring and E1 External Clock  | 
 Add-on Hardware and Authorized Software  | 
 Hardware Module  | 
 1  | 
| 
 External Clock Access Cable  | 
 1  | |||
| 
 Double E1 Channels Monitoring Test Cable  | 
 2  | |||
| 
 Embedded Software and Function Control Code  | 
 1  | |||
| 
 Option2  | 
 Pulse Mask Measurement  | 
 Authorized Software  | 
 Embedded Software and Function Control Code  | 
 1  | 
| 
 Option3  | 
 Jitter Measurement  | 
 Authorized Software  | 
 Embedded Software and Function Control Code  | 
 1  | 
| 
 Option4  | 
 Level Measurement  | 
 Authorized Software  | 
 Embedded Software and Function Control Code  | 
 1  | 
