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ADC Telecommunications, Inc.
Table 21. ISDN Options
System Options
Value
Description
Default
Sealing Current
OFF
No sealing current is applied to the ISDN
subscriber loop
ON
ON
Constant current of approximately 5 MA flows
in the ISDN subscriber loop at all time
EOC Mode
MP-EOC-SLAVE
EOC messages are decoded and re-
transmitted within the system
MP-EOC-SLAVE
TRANSPARENT
EOC messages are not decoded and are
passed through the system transparently
SES Count
1 to 15
Number of ISDN BE allowed before SES count
is incremented
3
PM Mode
INTERIM PATH
Considers the channel as one path and
collects the end-to-end error rate for the entire
transport path
INTERIM PATH
SEGMENTED PATH
Considers the channel as separate sections
and individually collects error rates for each
DSL loop
B Channel Swap
NORMAL
Channels “B1” and “B2” at the CO ISDN “U”
interface are routed to channels “B1” and “B2”
at the RT ISDN “U” interface
NORMAL
SWAP
Channels “B1” and “B2” at the CO ISDN “U”
interface are routed to channels “B2” and “B1”
at the RT ISDN “U” interface
Zero Byte Substitution
DISABLE
System passes all data through without any
special encoding
DISABLE
ENABLE
System uses a ZBS code to prevent long string
of zeros in the data
PM Clock Mode
AUTO
“0” byte of the channel unit determines the PM
Clock Source field
AUTO
MANUAL
Clock source is determined by PM Clock
Source field
PM Clock Source
(Manual Mode)
PG-FLEXPLUS
Clock source is determined by system clock
PG-FLEXPLUS
ISDN SWITCH
Clock source is determined by ISDN clock
Содержание PG-Flex FRL-842
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