Test Functions
MaxTester 375
Signaling Bits
Signaling Bits
Allows generation and monitoring of the signaling bits. Only available for
DSn/PDH BERT framed test with DS0/E0 enabled.
From the Test menu, tap Functions and the Signaling Bits tab.
Note: Two signaling bits (AB) are available for SF or SLC-96 framing while four
signaling bits (ABCD) are available for ESF.
TX Signaling
Note: Only available when TX Signaling is enabled (refer to TX Signaling on
page 168). For E0 the TX signaling always displays the ABCD bits.
Signaling Mode, available with DS0, is configurable to 2/4/16 States
for ESF or 2/4 States for SF/ SLC-96; default is 4 States.
Channel/AB/ABCD table: Allows the configuration of signaling bits of
either the 24 - DS0 channels or 30 - E0 channels.
Note: Channel numbers for E0 refer to telephone channel numbers. Timeslots
1 to 15 and 17 to 31 are assigned to telephone channels numbered from
1 to 30 as per G.704.
Signaling Mode 2-States 4-States 16-States
Framing SF/SLC-96 ESF SF/SLC-96 ESF ESF
Signaling Bits 00
11
a
a. Default value.
0000
1111
a
00
to
11
a
0000
0101
1010
1111
a
0000
to
1111
a
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