INSTALLATION
© Polycom, Inc. 9 VORTEX EF2211/EF2210 Reference Manual
5. Connect another Cat-5 cable between the EF BUS OUT of the second device and
the EF B
US IN of the third device, and so on.
6. Power on all units at the same time.
Terminating the
EF2211/EF2210
The EF2211/EF2210 is self-terminating so its EF Bus does NOT need to be termi-
nated. However, if you are linking the EF2211/EF2210 to EF2280s, terminate the EF
Bus link.
F
ACTORY
D
EFAULT
S
ETTINGS
(P
RESET
0)
The following is a list of the factory default settings of the EF2211/EF2210. Since the
microphone and other equipment in your application may have different nominal lev-
els, you can start with a F
ACTORY PRESET (Presets 0-15), change it to match your
environment and then save it within the EF2211/EF2210 as a U
SER PRESET (Presets
16-47). Once you’ve saved a U
SER PRESET, set the POWER ON PRESET to that USER
Figure 5. Only the EF2280 needs to be terminated when linked together with
EF2211/EF2210s.
Vortex EF2280
EF Bus Terminator
Cat-5 cable
Vortex EF2280
Vortex EF2210
Cat-5 cable
No Terminator
Needed
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