Foxconn 7870 manual Panel Descriptions, LED Name LED Function Laser, LED Name LED Function Opt

1.3 Panel Descriptions

1.3Panel 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

page 4 Document no. 93-005-35-C5