Does the 8EI card provide the T1 and voice E1 functions

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The 8E1 card is added in V200R003C00. It currently supports the E1 function and reserves the capability to support T1 and voice E1 (VE1) functions.

Other related questions:
How to AR routers support E1/T1 cards
E1/T1 cards that AR routers support are described as follows: 1. 1E1T1-M/2E1T1-M/4E1T1-M/8E1T1-M equipped with 1 interface or /2/4/8 interfaces support the switching use of E1 and T1. Cards equipped with 4 or 8 interfaces do not support T1 currently. - Cards equipped with 1 interface or 2 interfaces use the DB9 female connector interface and support E1/CE1/CT1/PRI(E1&T1) modes. - Cards equipped with 4/8 interfaces use the RJ45 interface and support E1/CE1/PRI(E1) modes. 2. 1E1T1-F/2E1T1-F/4E1T1-F/8E1T1-F equipped with 1 interface or /2/4/8 interfaces support the switching use of E1 and T1. Cards equipped with 4 or 8 interfaces do not support T1 currently. - Cards equipped with 1 interface or 2 interfaces use the DB9 female connector interface and support E1 (framed and unframed) and T1 modes. - Cards equipped with 4/8 interfaces use the RJ45 interface and support E1 (framed and unframed) mode. 3. 4E1-IMA, which is used on ATM networks, demultiplexes an aggregate ATM cell flow into multiple lower-speed E1 links, and multiplexes the E1 links on the far end to restore the original aggregate ATM cell flow.

What functions does an FXS interface provide in the voice feature
Foreign exchange station (FXS) access is analog access. FXS sets up a connection between a PSTN network and a POTS phone or fax machine.

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