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Configuring ISDN PRI Settings
11-6 PortMaster Configuration Guide
To set the framing format used for the E1 or T1 line, use the following command.
Table 11-6 explains the framing format options.
Command> set Line0 framing esf|d4|crc4|fas
Setting the Encoding Method
This command sets the encoding method used with T1 and E1 lines. Table 11-7 explains
the encoding method options.
Command> set Line0 encoding b8zs|ami|hdb3
Table 11-6
T1 Inband Signaling Protocol Options
Option Description
Line0
Line0 or Line1.
esf Extended superframe. This is the default format for
T1 lines.
d4 D4 framing, an alternative format for T1 lines.
crc4 Cyclic redundancy check 4. This is the default
format for E1 lines.
fas Frame Alignment Signal, an alternative format for
E1 lines.
Table 11-7
Encoding Method Options
Option Description
Line0
Line0 or Line1.
b8zs Bipolar 8-zero substitution. This is the default for T1 lines.
ami Alternate mark inversion.
hdb3 High-density bipolar 3. This is the default for E1 lines.