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. Although it is unused, the case is slightly cracked. When shipping, I will take the cord out of the case and fold the case to ship it together with the cord. Please check the photos and consider purchasing.