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Setting the Interfaces
Setting PDH/DSn Receive Interface (Option 012)
Choose the PAYLOAD TYPE.
If
STRUCTURED
If
STRUCTURED
Transmit Structured Payload/Test Signal" page 70.
If you chose 2 Mb/s, DS1 or DS3 as the PDH/DSn SIGNAL rate, the FRAMED
choice is expanded to provide a menu of framing types.
5 Choose the PATTERN type and the PRBS POLARITY required.
Additional Patterns at DS1
6 If you select a DS1 SIGNAL, two 8-bit patterns and a 55 Octet pattern are added
to the list of available patterns. They are as follows:
Note 1: F indicates the position of the framing bit with respect to the 8-bit pattern
when the framed data is generated
Note 2: Both 8-bit patterns and the 55 Octet pattern can only be selected as a
payload for the whole DS1, i.e. they can not be selected as a pattern for an
individual 64 kb/s channel.
The 55 Octet pattern uses the Daly pattern as per ANSI T1.403.
48
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is required
must be chosen.
FRAMED
is chosen, the PDH test signal must be set up. See "Setting
Table 3
8-Bit Patterns
Type
Pattern
1-in-8
F01000000
2-in-8
F01100000
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