EXFO FTB-800 Series for FTB-1 - Manual (Page 408)

Test Functions
398 FTB-700G/800 Series
FDL - Performance Report Message
FDL - Performance Report Message
Note: FDL PRM is only available for DS1 interface with ESF framing. For Dual RX
test, FDL is only available for the DS1 TX/RX port 1. For NI/CSU Emulation,
only available in the RX direction.
From the Test menu, tap Results, tap the FDL, and
Performance Report Message tab.
Generated Messages

Circuit allows the selection of the circuit type: CI to Network (default)
or Network to CI.

ANSI T1-403 check box when selected allows the generation of a
compliant ANSI T1.403 PRM Message.

Injection
Single sends the selected PRM Message(s) manually.
Continuous generates the selected PRM Message(s) continuously.

Event Count indicates the number of PRM messages sent.

PRM Bit Events allows the activation of the following PRM bit events.
All PRM bit events are disabled by default.
G1: CRC = 1
G2: 1 < CRC  5
G3: 5 < CRC 10
G4: 10 < CRC  100
G5: 100 < CRC 319
G6: CRC  320
SE: Severely errored framing  1
FE: Frame sync. bit error  1
LV: Line code violation event  1
LB: Payload loopback activated
SL: Slip  1
R Bit (Reserved - Default value is 0)
U1: Bit
U2: Bit