可售卖地全国
厂家TELEBYTE
型号458-3SL
用途线路模拟器
兼容DLS6700
458-AWGN2 VDSL 噪声源
Model 4901系统配备了用户界面友好的控制软件，便于用户自行选定及建立多种不同的针对DSL网络应用的损伤模型。Model 4901的共模串扰（Common crosstalk） 类型中涵盖了ADSL2+, VDSL2 以及其他诸多技术，而用户自定义串扰功能也完全符合DSL线路上的目标PSD的规范。利用MATLAB (.mat) 或者 Excel (.xls) 文件，用户能以 dBm/Hz 和相应的频率数值方式添加目标PSD。该特性能够帮助用户产生满足在DSL线路上所期望的PSD的串扰以及任意RFI tones的组合。
Type of Wire: 26 AWG
Number of Lines: 8- or 12-line options
Reach: 0, 250 ft to 15 kft
Variable Reach per Line: 250ft increments to 4 kft, 500ft increments from 4 kft to 15 kft
Increments: Variable depending on length setting
Bandwidth: 20KHz to 30MHz
DC Rating: 100 VDC Max. Tip-to-Ring
Attenuation (Insertion Loss): MAE < 1dB (20KHz to 30MHz) Typically simulation vs. theory
Channel To Channel Accuracy: MAE < 0.5 dB to ensure repeatable performance between channels
Usable Attenuation Range: 0 to–90 dB
Impedance: ± 10% (20KHz - 30MHz)
Control Remote control: via RS-232
Connections Shielded: RJ-45 jacks to minimize crosstalk
网络损伤测试仪可以轻松灵活的模拟各种广域网环境，可以很容易地模拟出带宽限制、时延、时延抖动、丢包、乱序、重复报文、误码、拥塞等网络状况，在实验室条件下准确可靠地测试出网络应用在真实网络环境中的性能。
Simulates 26 AWG PIC as specified in ANSI T1.417
Bandwidth to 4.5 MHz
8 channels per line module
Channel 1: loop lengths programmable from 0 to 31,750 ft in 250-ft increments
Channel 2 - 8: loop lengths programmable from 0 to 30,000 ft in 2,000-ft increments
Plugs into our Model 458-CC-16 (16-slot) or 458-3SLB (3-slot) chassis
Channel-to-channel isolation up to 90dB
Ability to open loop at either end of any channel
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