User guide

Operation
On the Fiber Link Card, the yellow PHONE LEDs on the front panel indicated which POTS lines are being
actively used.
For both models, the LED indicators on each port indicate if the port connection and operation. The LNK
LED is ON when the port is connected to a LAN or other active link, and the DATA LED blinks when the
port is sending or receiving Ethernet data.
Status and Activity LED display
RXTX
PWR FOC LOF RAI
LNK
DATA
2 CH. POTS MUX
CH2
CH1
VDC
INPUT
ENET
PORT 1
PHONE
LNK
DATA
ENET
PORT 2
LED activity and status indicators
Label
Name
Status
Description
PWR
Power
ON
Power is ON
FOC
Fiber Optic Connection
ON
Fiber connector disconnected
FOC
Fiber Optic Connection
OFF
Fiber connector installed
LOF
Loss of Frame
ON
Fiber or copper frame lost
LOF
Loss of Frame
OFF
Fiber or copper frame normal
RAI
Remote Alarm Indicator
ON
Loss of fiber or copper signal
RAI
Remote Alarm Indicator
OFF
Fiber or copper signal normal
DATA
(TP ports)
Ethernet Data
Blinking
Ethernet data is transmitting or receiving
DATA
(TP ports)
Ethernet Data
OFF
No Ethernet data activity
LNK
(TP ports)
Ethernet Link
ON
Ethernet connected
LNK
(TP ports)
Ethernet Link
OFF
Ethernet disconnected
CH1
(Phone ports)
Channel 1 Phone Port
ON
Channel 1 phone is off hook
CH1
(Phone ports)
Channel 1 Phone Port
Blinking
Channel 1 phone is dialing
CH1
(Phone ports)
Channel 1 Phone Port
OFF
Channel 1 phone is not active
CH2
(Phone ports)
Channel 2 Phone Port
ON
Channel 2 phone is off hook
CH2
(Phone ports)
Channel 2 Phone Port
Blinking
Channel 2 phone is dialing
CH2
(Phone ports)
Channel 2 Phone Port
OFF
Channel 2 phone is not active
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