Toshiba Phone System - Used Telephone Equipment Image

fig6 1 gif

Summary: f A subscriber loop resistance of 1500 ohms including the subscriber s instrument Equipment Used in Crossbar Systems Figure 6 1 Partial Perspective View of 20 Vertical Unit Crossbar Switch 200 Point Crossbar Switch The crossbar switch Figure 6 1 is the principle line and trunk switching device

Image Dimensions: 2076 x 1080

Image originally found here.

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