NEC ELECTRA ELITE IPK II, System Hardware Manual, Page: 520 / 642

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11 - 16 Installing Electra Elite Optional Terminal Equipment
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Document Revision 3 Electra Elite IPK II
Refer to Table 11-3 APA-U Unit Switch Settings for SW3 .
3.3.3 Connecting Cables on the APA-U Unit
Plug the telephone cord from the Single Line Telephone into the
modular jack on the APA-U Unit. Refer to
Figure 11-18 Connecting
Cables on the APA-U Unit .
Limit the cable length from the APA-U Unit to the Single Line
Telephone to a maximum of 50 feet.
Table 11-3 APA-U Unit Switch Settings for SW3
Switch Description
SW3–1 Sets impedance to 600
Ω
for devices such as
modems or facsimile machines.
SW3–2 Used for complex impedance devices such as
Single Line Telephones.
Figure 11-18 Connecting Cables on the APA-U Unit