EXFO ETS-1000 - Manual (Page 106)

Configuring and Starting a Test
98 ETS-1000
BERT
Use the Topology menu to specify receiving and transmitting ports. The
same port can be used for data transmission and reception (for example,
with the Loopback feature). If you use asymmetric test function you must
select Remote as receiving/transmitting port.

Header: Switches to the Header menu.
All test patterns used for measurements are in compliance with ITU-TO.150
standard.
Pattern type Usage (recommended)
2e9-1 Error measurements on data circuits at bit rates up to 14
400 bit/s.
2e11-1 Error and jitter measurements at bit rates of 64 kbit/s and
64×N kbit/s, where N is an integer number.
2e15-1 Error and jitter measurements at bit rates of 1544, 2048,
6312, 8448, 32 064 and 44 736 kbit/s).
2e20-1 Error measurements on data circuits at bit rates up to 72
kbit/s.
2e23-1 Error and jitter measurements at bit rates of 34 368 and 139
264 kbit/s.
2e29-1 Errors detection (for higher-speed data links (transmission
rate is over 139 264 kbit/s)).
2e31-1