Digital Link DL087-0 Solo Select T1 DSU. Specs: Versatile full or fractional T1 network interface, Software-configurable DTE port for RS- 449/EIA-530, or V.35 interface, Ethernet management port, User Level Security, UDP version of RFC868 will provide a simple protocol for synchronizing date and time clocks, Non-disruptive downloadable code, Embedded SNMP agent, and Remote statistics gathering for point-to-point circuits. Please refer to the specification URL for more detailed information. Power cord, Users Manual, and DA15 to RJ45 are included. Click on the More Details tab below for a picture of the back.