Mitsubishi RS-422 cable GT10-C300R4-25P

Mitsubishi DATA LINK UNIT AJ71LP21GE
Model: AJ71LP21GE.
DESCRIPTION: MELSECNET/10 MASTER/LOCAL, GI-62.5/125 TYPE OPTICAL LINK.

Mitsubishi MELSECNET/10 network module AJ71QLP21S
Model: AJ71QLP21S.
Between net MELSECNET/10 PC, / normal station management.
MELSECNET/10 Remote I / O network, remote master station.
Optical loop system.
Connection cable: SI / QSI / H-H broadband PCF /-optic PCF.
Transmission format: double loop.
Function with an external power source..
Size: 250(H)×37.5(W)×111(D)mm.
Weight: 0.39kg.