Agilent Technologies aurora Duet, User Manual

Page: 182 / 236

aurora
Duet
Basic & Primary Rate ISDN Tester - User Guide
10 - 6 428856
How the channels are displayed
When the NFAS feature is enabled (see Chapter 8), there
are two channel selection screens, one for each T1
interface. Each screen displays 24 boxes, representing the
23 B channels plus the D channel. To switch between the
two T1 interfaces, press
F2 —
I/F
.
If there is already an active call on any channel, this is
indicated by a horizontal line in the channel box. You
cannot change the activity on this channel.
The
INTERFACE
line shows
00
for the first T1 interface
(channel boxes 1 to 24) and
01
for the second T1
interface (channel boxes 25 to 48).
The line labeled
NUM OF CHAN
shows the total number
of channels that you have selected for BER testing.
To set up the channels for BER testing:
• To select a channel for the BER test, highlight it and
press
SELECT .
• To deselect a selected channel, highlight it and press
SELECT again.
• When you have selected all the channels you want
for the test, press
EXIT . The
DIAL
screen is
displayed, as described on the following page.
Function keys
F2
I/F
Switches between the two T1 interfaces
(only available if you have enabled
NFAS).
F4
CLR
Deselects all channels.