EXFO FTB-8500 Series for FTB-500 - Manual (Page 186)

Traffic Analyzer Tabs
172 FTB-8500 Series and FTB-8120NGE/8130NGE
Flow Control
Flow Control
Press TEST, Traffic Analyzer, and Flow Control.
Note: One Quanta equals 512 bits-time. For 1 Gbps interface, one Quanta equal
0.512 μs; for 10 Gbps interface, one Quanta equal 51.2 ns.
Injection
Note: Flow Control Injection is available with Frame Analyzer test only. Not
available when Through Mode (FTB-8510B) is selected.

Packet Pause Time: Enter the pause time value to be transmitted. The
default setting is 100 Quanta. Choices are:
Interface
Range
Quanta μs/ns
10 Mbps 0 to 65535 0 to 3355392 μs
100 Mbps 0 to 65535 0 to 335539.2 μs
1000 Mbps 0 to 65535 0 to 33553.92 μs
1 Gbps 0 to 65535 0 to 3355.392 μs
10 Gbps 0 to 65535 0 to 3355392 ns