You need to bridge V.35, RS-530, RS-449, X.21 or RS-232. You are working with legacy protocols. But the Patton 2130 units are no longer made. What to do???
The Patton Ethernet MicroBridge provides a cost-effective solution for connecting multiple local or remote network segments. The Patton MicroBridges feature a wide variety of serial interfaces to make your WAN connections easy. All models are equipped with an 802.3 10Base-T Ethernet RJ-45 jack, which allows a direct connection to your network equipment.
Introducing the Data Connect SE2130