Disabling T3 C-Bit Parity Mode - Juniper JUNOS 10.1 - CONFIGURATION GUIDE 1-2010 Configuration Manual

Network interfaces configuration
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On T3 interfaces, you can also select the pattern to send in the bit stream by including
the
hierarchy level:
For a list of supported algorithms, enter a
example:
For specific hierarchy information, see individual interface types. For information
about running the BERT procedure, see the JUNOS System Basics and Services Command
Reference.

Disabling T3 C-Bit Parity Mode

C-bit parity mode controls the type of framing that is present on the transmitted T3
signal. When C-bit parity mode is enabled, the C-bit positions are used for the FEBE,
FEAC, terminal data link, path parity, and mode indicator bits, as defined in ANSI
T1.107a-1989. When C-bit parity mode is disabled, the basic T3 framing mode (M13)
is used.
By default, C-bit parity mode is enabled. To disable C-bit parity mode and use M13
framing for your T3 link, include the
interface-name t3-options]
NOTE: For ATM and ATM2 IQ2 and IQ2-E interfaces, M23 framing is used when the
no-cbit-parity
the
To return to the default, enabling C-bit parity mode, delete the
from the configuration:
To explicitly enable C-bit parity mode, include the
interfaces interface-name t3-options]
statement at the
bert-algorithm
[edit interfaces interface-name interface-options]
bert-algorithm algorithm;
[edit interfaces t3-0/0/0 t3-options]
user@host# set bert-algorithm ?
Possible completions:
all-ones-repeating Repeating one bits
all-zeros-repeating Repeating zero bits
alternating-double-ones-zeros Alternating pairs of ones and zeros
alternating-ones-zeros Alternating ones and zeros
pseudo-2e10 Pattern is 2^10 - 1
...
hierarchy level:
[edit interfaces interface-name t3-options]
no-cbit-parity;
statement is included. For all other interfaces, M13 framing is used when
no-cbit-parity
statement is included.
[edit]
user@host# delete interfaces t3-fpc/pic/port t3-options no-cbit-parity
Chapter 32: Configuring T3 Interfaces
[edit interfaces interface-name interface-options]
after the
?
bert-algorithm
no-cbit-parity
statement at the
cbit-parity
hierarchy level:
Disabling T3 C-Bit Parity Mode
statement; for
[edit interfaces
no-cbit-parity
statement
statement at the
[edit
589

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