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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Screen reference
603DS1 Circuit Pack
17
Line Compensation
The appropriate entry in this field varies with the type of cable used, so work with
your network service provider to determine the correct setting in your situation.
The following table shows the appropriate entries for different lengths of
22-gauge ABAM cable terminated on a DSX-1 cross-connect.
The following table shows the appropriate entries for different lengths of
22-gauge ABAM cable directly connecting to DS1 interfaces.
Framing Mode
Use this field to select either superframe (sf or d4) or extended superframe (esf)
for T1 service on the DS1 link. The framing mode you use must match the mode
used on the other end of the link, so work with your network services provider to
determine the appropriate entry for this field.
ami-basic (alternate
mark
inversion-basic)
Enter
ami-basic for unrestricted E-1 facilities.
hdb3 (high density
bipolar 3)
Enter hdb3 for restricted E-1 facilities.
cmi (coded mark
inversion)
Used in Japan, cmi is the only type of line coding you can
use with the Japanese 2Mbit trunk circuit pack. This field
becomes a display-only field when you are administering
the Japanese 2Mbit trunk circuit pack.
Valid entries Usage
1
Length: 000–133 (ft), 000-40.5 (m)
2
Length: 133–266 (ft), 40.5–81.0 (m)
3
Length: 266–399 (ft), 81.0–122 (m)
4
Length: 399–533 (ft), 122–163 (m)
5
Length: 533–655 (ft), 163–200 (m)
Valid entries Usage
1
Length: 0000–0266(ft), 000–081(m)
2
Length: 0266–0532(ft), 081–162(m)
3
Length: 0532–0798(ft), 162–243(m)
4
Length: 0798–1066(ft), 243–325(m)
5
Length: 1066–1310(ft), 325–400(m)
Valid entries Usage