Specifications

IPmux-4 Installation and Operation Manual Appendix E Parameters and Screens
E1/T1 Configuration Parameters E-21
Table E-12. T1 Physical Layer Configuration Parameters (Cont.)
Key Parameter Possible Values Remarks
C Cond CAS (AB/ABCD)
Pattern
1 – F
The 4 bit code applied to ABCD bits when
fault conditions occur.
The ABCD conditioning pattern can be
applied toward the IP path when loss of signal,
loss of frame, or AIS is detected at the E1 line.
Conditioning pattern can also be applied
toward the E1 line when packet receive buffer
overrun or underrun occur.
Default Value: 1
Note: This field will not appear if “unframed” is
selected in the Channel Type field.
D Cond CAS (ABCD) pattern
1 – F
The 2 or 4 bit code applied to AB(D4) or
ABCD (ESF) bits when fault conditions occur.
The ABCD conditioning pattern can be
applied toward the IP path when loss of signal,
loss of frame or AIS detected at the T1 line.
Conditioning pattern can also be applied
toward the T1 line when packet receive buffer
overrun or under run occur.
Default value: 1
Note: This field will not appear if “unframed” is
selected in the Channel Type field.
E Cond. CAS first 2.5 sec
pattern
0 – F (ESF)
0 – 3(D4)
FF
The 2 or 4 bit code applied (during the first
2.5 seconds) to AB(D4) or ABCD (ESF) bits
(relevant in CAS mode only) when fault
conditions occur.
This code will be inserted in the first
2.5 seconds and then the code specified in
‘Cond. CAS (ABCD) pattern’ will be applied.
ABCD conditioning pattern can be applied
toward the IP path when loss of signal, loss of
frame or AIS detected at the T1 line. A
conditioning pattern can also be applied
toward the T1 line when packet receive buffer
overrun or underrun occur. When configuring
FF to this function, this parameter will be
ignored and the CAS pattern that will be
applied in the first 2.5 seconds will be the
same as defined in ‘ Cond. CAS (ABCD)
pattern’.
Default value: FF
Note: This field will not appear if “unframed” is
selected in the Line Type field or if CAS Disable
is selected.
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