Foxconn Interfacility Link 7870 - Manual (Page 12)

1.3 Panel Descriptions
page 4 Document no. 93-005-35-C5
1.3 Panel Descriptions
On the Front Panel of the 7870 IFL units are two LEDs. Both LEDs
should be on when the unit is in use. T
The LEDs on the Front Panel of the
7870
Transmitter and Receiver
are:
LED Name LED Function
Laser Indicates if the laser is functioning
RF Indicates RF signal level
•
Green: Input level is within 3 dB of specification (level is -2 to -28
dBm)
• Amber: Input level exceeds maximum recommended level by 3
dB or more (level is >-2 dBm)
• Off: Input level is below minimum recommended level by 3 dB or
more (level is < -28 dBm
Table 1 7870T Transmitter LEDs
LED Name LED Function
Opt. Indicates if the optical input power is above the minimal level [ ≥3 dBm]
RF Indicates RF signal level
•
Green: Input level is within 3 dB of specification (level is -2 to -28
dBm)
• Amber: Input level exceeds maximum recommended level by 3 dB
or more (level is >-2 dBm)
• Off: Input level is below minimum recommended level by 3 dB or
more (level is < -28 dBm
Table 2 7870R Receiver LEDs