網(wǎng)絡(luò)損傷測(cè)試儀可以輕松靈活的模擬各種廣域網(wǎng)環(huán)境,可以很容易地模擬出帶寬限制、時(shí)延、時(shí)延抖動(dòng)、丟包、亂序、重復(fù)報(bào)文、誤碼、擁塞等網(wǎng)絡(luò)狀況,在實(shí)驗(yàn)室條件下準(zhǔn)確可靠地測(cè)試出網(wǎng)絡(luò)應(yīng)用在真實(shí)網(wǎng)絡(luò)環(huán)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

特性:
提供ADSL, ASDL2, ADSL2+, HDSL, HDSL2, HDSL4, SHDSL, ISDN, DSL, VDSL 和VDSL2的解決方案
提供滿足標(biāo)準(zhǔn)實(shí)體(如ATIS, DSL Forum, ETSI and ITU-T)要求的解決方案
支持單路和多路仿真
仿真準(zhǔn)確的插入損耗,延遲/相位和輸入阻抗
測(cè)試xDSL的性能,一致性和互通性標(biāo)準(zhǔn)
插入的xDSL物理層噪聲損傷

為ADSL, ADSL2, ADSL2+, & VDSL2 chip/modem/DSLAMAWGN 噪聲測(cè)試的設(shè)備
MODEL 458-LM-E8-30 MULTI-STANDARD LOCAL LOOP SIMULATOR
MODEL 458-LM-E8-36 SIMULATOR
MODEL 458-LM-HD ADSL2+ LOCAL LOOP SIMULATOR
MODEL 458-LM-HDE ADSL2+ LOCAL LOOP SIMULATOR
MODEL 458-SM-2-16 2 X 16 TRANSPARENT SWITCHING MODULE