GAI-Tronics 237-001 Plug-in Power Supply for Telephones - Manual (Page 3)

Pub. 42004-150C
Model 237-001 Plug-In Transformer for Model 295 Clean Phone™ Page: 2 of 2
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5. Tap out the wire guides in the side of the modular wall jack. Connect the black (−) wire and the
yellow (+) wire as noted in Figure 2 for Model 295F and Figure 3 for Model 295W.
Figure 2. Wiring for Model 295F Figure 3. Wiring to Model 295W
6. Replace the modular wall jack cover.
7. If desired, replace the front panel by
aligning the panel with the back box
mounting holes and pressing the panel
firmly in and then down.
8. Follow Figure 4 to connect the wires to the
Model 237-001 Plug-in Transformer.
Connect the yellow (+) wire to the terminal
labeled
COM
. Connect the black (−) wire to
the terminal labeled
-48V.
9. Plug the transformer into a 115 V ac outlet.
Figure 4. Transformer Details