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Pub. 42004-500C
Division 2 VoIP Page Phones—Wired and WiFi
Page 5 of 24
P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-500C.docx
03/20
Internal
Model 351-7
xx
VoIP Page Phones
The power supply, input power terminal block, relay PCBA, ringer and shield are mounted in the rear
enclosure. The VoIP carrier PCBA, VoIP circuit PCBA, amplifier PCBA, handset/headset adapter
PCBA, and keypad PCBA are mounted to the front cover. Amplifier-only versions do not include a
keypad PCBA (see Figure 3).
Model 351-8
xx
VoIP WiFi Page Phones
The power supply, input power terminal block, relay PCBA, ringer, shield, and Div. 2 external antenna
are mounted in the rear enclosure. The VoIP/WiFi carrier PCBA, VoIP circuit PCBA, WiFi module,
amplifier PCBA, handset/headset adapter PCBA, and keypad PCBA are mounted to the front cover.
Amplifier-only versions do not include a keypad (see Figure 4).
Figure 3. Model 351-7
xx
Div. 2 VoIP Page Phone