EXFO FTB-8100 Series Transport Blazer for FTB-500 - Manual (Page 160)

Port Tabs
146 FTB-8100 Series Transport Blazer
Port RX (Electrical Interfaces)
Frequency Analysis
The FTB-8100 Series allows the following frequency monitoring range.
³
Actual Frequency (bps): Indicates the frequency of the input signal.
³
Frequency Offset: Indicates the offset between the standard rate
specification and the rate of the input signal.
³
Max. Positive Offset: Indicates the offset between the standard rate
specification and the largest rate recorded from the received signal.
³
Max. Negative Offset: Indicates the offset between the standard rate
specification and the smallest rate recorded from the received signal.
Offset Unit: Allows the selection of the frequency offset unit. Choices are
bps and ppm. The default setting is ppm.
Interface Standard Rate Specification
DS1 1544000 ±140 ppm
E1 2048000 ±100 ppm
E2 8448000 ±100 ppm
E3 34368000 ±100 ppm
DS3 44736000 ±100 ppm
STS-1e/STM-0e 51840000 ±100 ppm
E4 139264000 ±100 ppm
STS-3e/STM-1e 155520000 ±100 ppm