Clear-Com EF-701M User Manual
Page 17
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E F - 7 0 1 M I N T E R F A C E
1 - 7
system that the EF-701M connects to via the DB-15) must accept line-level (-15 dBu to
+4 dBu) 4-wire audio and, if call signal is desired, RS-422 data.
Figure 1-4: Six EF-701M units link various locations to a single channel
EF-701M
EF-701M
PK-7
3
DB15
3
DB15
3 3
EF-701M
EF-701M
PK-7
3
DB15
3
DB15
3 3
3
3
= Male 3-Pin XLR
= Female 3-Pin XLR
Party-Line Intercom
EF-701M
EF-701M
Fiber Modems
3 3
3
DB15
3
DB15
3
3
3
Party-Line Intercom
3
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