https://www.analog.com/en/products/DS34S108/sample-buy.html
DS34S108 Sample & Buy | Analog Devices
These IETF PWE3 SAToP/CESoPSN/TDMoIP/HDLC compliant devices allow up to eight E1, T1 or serial streams or one high-speed E3, T3, STS-1 or serial stream to be...
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