System information

FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Switching Test Loops
Aastra Proprietary Information Page 2-83
2.12 Switching Test Loops
For troubleshooting purposes, the operator can switch test loops on the
modules listed below (A = analog loop D = digital loop).
Table 2.R: Test loops KZU, KZU II, DSK
Loop
no.
KZU KZU II DSK DSK modular
FEK
SUB
EX
OSX
FEK
SUB
EX
64k V24 X21 WT V35
MDV MDG
1 AAAAAAA
Internal
loop
(F1)
Loop
3c
ITU
V.54
Loop
3c
ITU
V.54
Loop
3c
ITU
V.54
Loop
3c
ITU
V.54
Loop
3
ITU
V.54
Loop
(D2)
2 DDDDDDD
Loop
2b
ITU
V.54
Loop
2b
ITU
V.54
Loop
2b
ITU
V.54
Loop
2b
ITU
V.54
Loop
2
ITU
V.54
Remote
loop
3
Switch-
ing
matrix
loop;
control
line
Loop 3
and
Loop 2
Near-
end and
remote
loop
4
Table 2.S: Test loops ISDN, Ports
Loop
no.
ISDN Port
UQF
(4)
Uk0/Uk0F
S0F
(4)
S0 /
S0F
HDB3
LE
LE34
OPT
MUX34
LEU
LOU
opt u.
1
B1&B2 w/o
B* on both
sides
B1&B2 w/o
B* on both
sides
B1&B2 w/o
B* on both
sides
B1&B2 w/o
B*
on both
sides
Loop
F1out-
> F1in
F2 loop
(coaxial)
Local
loop
(F1)
Loop
F1out->
F1in
Loop
F1out
-> F1in
2 UK0 Loop UK0 Loop
B1, B2 & B*
unilateral
B1, B2 & B*
unilateral
F1 Loop
(optical)
3
B1, B2
& B* on both
sides
B1, B2
& B* on
both sides
B1, B2
& B* on both
sides
B1, B2
& B*
on both
sides
4
External
remote loop
External
remote loop
External
remote loop
External
remote loop