This Trend Communications Aurora Presto DSL Communications Tester is in excellent condition and is guaranteed to be functional with a 30 day return policy. This item came from a test measurement equipment rental/lease company that had surplus lightly used equipment. Please feel free to contact us with any questions. Please note: As seen in photos, the battery charger power supplies included with these kits are UK configured and the manuals are in french. Communications Tester (ADSL/ATM/IP) Multiple modem/data cards: TDR and DMM ADSL ATU-R/ATU-C G.SHDSL STU-R/STU-C ATMF 25.6 ADSL over POTS and ADSL over ISDN, G.SHDSL annex A and B Analogue line testing with TDR and DMM tools Easy storage/export of test results Quickly locates and identifies fault conditions on the DSL. ATM. AAL5. PPP. IP and application layers Fully automated 'one-button testing' mode Manual 'expert diagnostics' mode ATM layer testing (full ATM cell-stream handling capability) IP layer testing (with bridged and routed ping facility) PPP testing (PPPoE and PPPoA) Built-in 10BaseT Ethernet port