CHAPTER 3: Installation

Figure 5. Point-To-Point, 4-Wire (Full- or Half-Duplex).

Figure 6. Point-to-Point, 2-Wire (Half-Duplex).

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Black Box IC109C, IC109AE, IC109A-R2, IC108C, IC108AE manual Point-To-Point, 4-Wire Full- or Half-Duplex