DS2
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... J1/E1 interfaces are stacked on DS2/E2
interfaces. It is not necessary nor is it always desirable to
...
... interfaces. It is not necessary nor is it always desirable to
represent DS2 interfaces. If this is required, the following
stacking should be used. All ifTypes are ds1. The DS2 ...
... DS2 interfaces. If this is required, the following
stacking should be used. All ifTypes are ds1. The DS2 is determined
by examining ifSpeed or dsx1LineType ...
... DS1 MIB, there will be an entry in
the dsx1ChanMappingTable for each DS2. The entries will be as
follows:
...
... DS1s. The object
dsx1Channelization is set to enabledDS1 for each DS2. There will be
4 DS1s in the ifTable ...
... ifIndex values for the
DS1s in the first DS2 are 9 through 12, then 13 through 16 for the
second DS2, and so on. In the DS1 ...
... DS1s in the first DS2 are 9 through 12, then 13 through 16 for the
second DS2, and so on. In the DS1 MIB, there will be an entry in the
...
... ITU-T-O.162], Section 3.3.2).
For DS2 links, the DS2 AIS shall be sent from the NT1 to the user
...
... For DS2 links, the DS2 AIS shall be sent from the NT1 to the user
to indicate a loss of the 6,312-kbps frame capability on the
network side ...
... to indicate a loss of the 6,312-kbps frame capability on the
network side. The DS2 AIS is defined as a bit array of 6,312 kbps
in which all binary bits ...
... bits are set to '1'.
The DS2 AIS detection and removal shall be implemented according
to ITU-T Draft Recommendation G.775 ...
... ITU-T-G.775] Section 5.5:
- a DS2 AIS defect is detected when the incoming signal has two
or less zeroes in a sequence of 3156 bits (0.5 ms).
...
... bits (0.5 ms).
- a DS2 AIS defect is cleared when the incoming signal has three
or more zeroes in a sequence of 3156 bits (0.5 ms).
...
... LOF or LOS) and/or
DS2 AIS condition is detected, the RAI signal shall be generated
and transmitted to the remote side.
...
... Channel Associated Signalling" mode (see G.732).
DS2 Payload AIS Failure
The DS2 Payload AIS failure is declared when the incoming signal
...
... DS2 Payload AIS Failure
The DS2 Payload AIS failure is declared when the incoming signal
of the 6,312-kbps frame payload (time-slots 1 through 96) has two
...
... payload (time-slots 1 through 96) has two
or less zeroes in a sequence of 3072 bits (0.5ms). The DS2
Payload AIS is cleared when the incoming signal of the 6,312-kbps
frame payload has three or more zeroes in a sequence of 3072 bits ...
... (0.5 ms).
DS2 Performance Threshold Failure
DS2 Performance Threshold failure monitors equipment performance ...
... DS2 Performance Threshold Failure
DS2 Performance Threshold failure monitors equipment performance
and is based on the CRC ...
... G.704.
The DS2 Performance Threshold failure is declared when the bit
error ratio exceeds 10^-4 (Performance ...
... error ratio exceeds 10^-4 (Performance Threshold), and the DS2
Performance Threshold failure is cleared when the bit error ratio
decreases to less than 10^-6."
...
... (5) dsx1IfIndex has been deprecated.
(6) Support for DS2 and E2 has been added.
(7) Additional lineTypes for DS2, E2, and unframed E1 ...
... (6) Support for DS2 and E2 has been added.
(7) Additional lineTypes for DS2, E2, and unframed E1
were added.
...
... State, Carrier Equipment
Out of Service, DS2 Payload AIS, and DS2 Performance
Threshold.
(11) A read-write ...
... Out of Service, DS2 Payload AIS, and DS2 Performance
Threshold.
(11) A read-write line Length object has been added.
...
... not this DS1/E1 is channelized.
(20) Line coding type of B6ZS has been added for DS2."
REVISION "199301252028Z"
...
... used to replace a sequence of 6 zero bits. Used
for DS2.
For more information about line coding see
[ANSI-T1.102 ...
... service
32768 dsx1RcvPayloadAIS DS2 payload AIS
65536 dsx1Ds2PerfThreshold DS2 performance threshold
...
... 32768 dsx1RcvPayloadAIS DS2 payload AIS
65536 dsx1Ds2PerfThreshold DS2 performance threshold
exceeded"
::= { dsx1ConfigEntry 10 }
...
... channel number of
the DS1/E1 on its parent DS2/E2 or DS3/E3. A
value of 0 indicates that this DS1/E1 ...
...
The value of enabledDs1(3) indicates that this is a
DS2 channelized into DS1s. Setting this value will
cause the creation, and resetting it to disabled(1)
...
... ifIndex. In the presence of DS2s, this table can
be used to map a DS2 channel number on a DS3 into
...
... "A collection of objects that may be implemented
on DS1 and DS2 interfaces."
::= { ds1Groups 5 }
...
... DESCRIPTION
"A collection of objects providing information
about DS2 (6,312 kbps) and E2 (8,448 kbps)
systems."
::= { ds1Groups 6 }
...
... Definitions of Managed Objects for the DS1, E1, DS2, and E2 Interface Types", RFC 3895prop(-> 4805prop), September 2004. ...
... Definitions of Managed Objects for the DS1, E1, DS2 and E2 Interface Types", RFC 2495(-> 3895prop(-> 4805prop)), January 1999. ...
... (5) dsx1IfIndex has been deprecated.
(6) Support for DS2 and E2 has been added.
(7) Additional lineTypes for DS2, E2, and unframed E1 ...
... (6) Support for DS2 and E2 has been added.
(7) Additional lineTypes for DS2, E2, and unframed E1 were added.
(8) The definition of valid ...