EXFO FTB-8500 Series for FTB-500 - Manual (Page 148)

Port Tabs
134 FTB-8500 Series and FTB-8120NGE/8130NGE
Electrical RX
Electrical RX
Press TEST, Port, and Electrical RX.
Alarm Analysis
Frequency: The frequency alarm indicates if the received signal rate meets
the standard rate specifications (green) or not (red).
Interface Standard Rate Specification
100Base-T For FTB-8510B:
125000000 bps ±12500 bps (±100 ppm)
For FTB-8120NGE/FTB-8130NGE and FTB-8525/FTB-8535:
125000000 bps ±15000 bps (±120 ppm)
1000Base-T For FTB-8510B:
1250000000 bps ±125000 bps (±100 ppm)
For FTB-8120NGE/FTB-8130NGE and FTB-8525/FTB-8535:
1250000000 bps ±150000 bps (±120 ppm)