Bundle of Telephone Extension Cables, etc. ● Telephone Extension Cord 3m Compatible with computer communication ELPA Asahi Electric Co., Ltd. This is a connection cord for connecting a telephone jack in a room and a modular type telephone. 6-pin 4-core (NTT specification) / 6-pin 2-core compatible ● Telephone LAN cable (?) Looks to be about 10m, but details are unknown. 6-pin 4-core ● Telephone Modular Y-Socket This is a device for splitting a telephone jack. 6-pin 2-core Unused, but there is some discoloration due to aging. Please understand that these are items that have been stored for a long time. Please refrain from separate sales and price negotiations.