Operation Manual

INSTALLATION
© Polycom, Inc. 7 VORTEX EF2280 Reference Manual
I NSTALLATION
M OUNTING THE EF2280
The EF2280 can be mounted in a rack enclosure using four large screws (10-32x1/2”)
included with the unit. One EF2280 fits in a single rack space.
Recommendation
For Easy Access
While not required, leave a single rack space in between the EF2280 and other units
in your rack. This gives you easier access to the back panel. If you cannot leave a
single rack space, mount the EF2280 below units that are longer in length so that you
can access the Phoenix connectors on the back panel more easily.
Instructions for
Securing Power
Supply to Back of
EF2280
• Locate the cable clamp on the back panel of the EF2280 above the RS-232 port.
• Remove the screw and thread the power cord through the cable clamp.
• Attach the cable clamp to the back panel of the EF2280 and tighten the screw.
Align the clamp so that the power cable does not interfere with the connectors on
the EF2280 back panel.
• Plug in the power supply.
• We recommend that you also Ty-wrap the power supply to the rack. The purpose
of securing the power supply to the back panel is so that if the power supply were
to drop, it would pull where the cord is attached with the cable clamp and not pull
the plug out of the EF2280.
C ONNECTING THE EF2280 TO O THER E QUIPMENT
Grounding The EF2280 has 8 mic/line inputs plus 4 line level inputs and 12 line level outputs.
Each input/output is “Pin 1 compatible” — this means that the ground pin of each
input/output is tied to chassis ground. Chassis ground is connected to the input power
ground.
Typical EF2280
Connections
The EF2280 will typically be connected to other equipment in a single room setup as
shown below in Figure 5 and Figure 6.
Caution! Do not use any other power supply other than the one pro-
vided with this unit.