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Is it possible to connect a Cisco 2620 router without hdsl modem for two Mbps leased lines?

Is it possible to connect a Cisco 2620 router without hdsl modem for two Mbps leased lines? Right now we are using two Mbps leased lines to connect our head office. Presently we are using copper based telco line. Now the telecom company provided the OFC from his office to our remote office. We are using two pair copper cable as one as receive and one as trans connected V.35 modem at our end. The modem is again connected to v.35 cable to Cisco wan port. Is possible to migrate to OFC line without using the modem?
You need to have some kind of CSU/DSU to connect the telco line to the WAN port. If you connect it without modem or CSU/DSU (internal or external) your hardware will go bad. You can use OFC but will need to talk to the ISP. As you need to connect it to your Ethernet port and he need to give you an IP address. Instead of Router you will need a switch and ISP will have to do routing for you. So you need to convince him to do that. If you are the only customer requesting this I doubt he will do.
This was last published in December 2003

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