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210-0000025 rev04
(A pulsing LED blinks steadily at a rate of once per second. A flashing LED blinks at a more
rapid, less constant rate.)
Regulatory Compliance
FCC Regulatory Compliance Information for Class A Equipment
Note: 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 is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
Caution: Changes or modifications not expressly approved by the manufacturer could void the user’s
authority to operate the equipment.
FCC Regulatory Compliance Information for T1 Equipment
Note: This equipment complies with Part 68 of the FCC rules and bears a label that contains the FCC
registration number. This information must be provided to the telephone company if requested. This
equipment should be connected to the telephone network or premise wiring using compatible modular
plugs and cabling in compliance with the requirements of Part 68 of the FCC rules, using the following
standard jack types: (1) RJ-48H: TNE1500-P-12-XX, TAM1500-12 or (2) RJ-48C: TNE1500-X, UIM-T1.
In the unlikely event that this equipment harms the telephone network, the telephone company can
temporarily disconnect your service. The telephone company will try to warn you in advance of any
such disconnection, but if advance notice isn’t practical, it may disconnect the service first and notify
you as soon as possible thereafter. In the event such a disconnection is deemed necessary, you will be
advised of your right to file a complaint with the FCC. Additionally, the telephone company may, from
time to time, make changes in its facilities, equipment, or operations that could affect the operation of
this equipment. If this occurs, the telephone company is required to provide you with advance notice so
you can make the modifications necessary to maintain uninterrupted service.
T1 TX
(Transmitting)
flashing
amber
T1 activity The port is transmitting data to the remote
T1 modem.
solid amber heavy Tx traffic The port is transmitting large amounts of
data to the remote T1 modem.
no
illumination
no activity A link may exist but the port is not
transmitting any data to the remote T1
modem.
T1 AL (Alarm) no
illumination
T1 is operational Note: If the T1 LK LED also remains unlit
then the port is in Red Alarm.
solid amber Yellow Alarm
The outgoing connection from the
port has been lost; no data is being
transmitted.
The remote T1 modem has lost its
incoming connection and is in Red Alarm.
pulsing
amber
Blue Alarm
An indirect connection has been lost;
the port may no longer be receiving
data from the remote T1 modem.
The remote T1 modem has lost a
connection with an intermediate device and
is in Red or Yellow Alarm.