2
947492
CAUTION: To reduce the risk of electric shock,
Do not remove cover.
No user serviceable parts inside.
Refer servicing to qualified service personnel.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
This symbol indicates that dangerous
voltage constituting a risk of electric
shock is present within this unit.
This symbol indicates that there are
important operating and maintenance
instructions in the literature accompanying
this unit.
K1
K2
LINE
N.
C
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N.O.
N.
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N.O.
CO
M
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PHONE
+24VDC
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Precautionary Designations
FCC Information
This equipment has been tested and found to
comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide
reasonable protection against harmful
interference when the equipment is operated
in a commercial environment. This
equipment generates, uses and can radiate
radio frequency energy and if not installed
and used in accordance with the instruction
manual, may cause harmful interference to
radio communications. Operation of this
equipment in a residential area may cause
harmful interference in which case the user
will be required to correct the interference at
his own expense.
Mounting
The VIP-821A is designed for wall or table
mounting.
Wall:
Using the bracket and screws provided,
secure the VIP-821A to the wall.
Table:
Provided with the VIP-821A are four
rubber pads. Peel the pads from their carrier
backing and place at the four corners of the
bottom of the unit.
Power Connections
The preferred method of powering a VIP-821A is
via a power over Ethernet (PoE) switch meeting
the 802.3af specification.
If the rear panel barrel connector is used for
power, the preferred power supply is a Valcom
VIP-324D.
Make all required signal connections before
applying power to the unit. If powering via
802.3af, make sure all signal connections via the
rear panel are made then connect the VIP-821A
to the Ethernet switch.
If power is supplied via the barrel connector,
make sure all signal connections are secure.
Attach the unit to the network via the front panel
RJ-45 Ethernet connector. Apply power by
plugging the power supply in to the VIP-821A via
the barrel connector on the rear of the VIP-821A.
Network Connection
The VIP-821A has one RJ-45 network connector
on the front panel.
Use a standard Ethernet patch cable to connect
the VIP-821A to an Ethernet switch. If the
Ethernet switch is 802.3af compliant the
VIP-821A will draw power from it.
Signal Connections
On the rear panel, the VIP-821A has 1 RJ-11 jack
for connection to a FXS circuit. 1 RJ-11 jack for a
failover telephone connection.
FXO Connection:
Connect a standard analog
FXS circuit to the VIP-821A via the rear panel
RJ-11 jack labeled
Line
. Tip and Ring appear on
pins 3 and 4 of this jack.
Failover Connection:
Connect a standard
analog telephone to the VIP-821A via the rear
panel RJ-11 jack labeled
Phone
. Tip and Ring
appear on pins 3 and 4 of this jack. In the case
of a device failure, the telephone will be able to
access the FXS circuit or single line port.
REAR VIEW
