10m telephone line 6-pin 4-core / 2-core MCO DC-410/WH Modular Cable For business phones, home phones, household telephones, IP phones, facsimiles/fax machines, etc. NTT specifications This is a cord for connecting a modular jack (line) to a company's business phone or fax machine, a telephone cord. Opened but unused. When shipping, the cable will be removed from the case, the case will be folded, and they will be shipped together. Please check the photos and consider purchasing.