IBM X.25 - Manual (Page 51)

Assembly 2: Cables and Wrap Plugs
Asm– Part
Index Number Units Description
2–1 16F1887 1 Cable Option X.21 (P/N 07F3151)
–1 16F1888 1 Cable Option V.24 (P/N 07F3161)
–1 16F1889 1 Cable Option V.35 (P/N 07F3171)
–2 16F1890 1 Wrap Plug X.21 (P/N 07F3153)
–2 16F1891 1 Wrap Plug V.24 (P/N 07F3163)
–2 16F1861 1 Wrap Plug V.35 (P/N 07F3173)
Problem Determination Procedures 4-23