
Chapter 1: Converteon™ Fast Ethernet and Gigabit Ethernet Line Cards
50
AT-CM20x Series
and
AT-CM212x/1
Series Line Cards
The AT-CM20x Series line card, shown in Figure 8, and AT-CM2121x/1
Series line card, shown in Figure 9, feature both the Diagnostic Mode DIP
Switch 1 and Port Configuration DIP Switch 2.
Figure 8. DIP Switches on an AT-CM20x Series Line Card (AT-CM202)
Figure 9. DIP Switches on an AT-CM212x/1 Series Line Card
Table 12 lists the positions of the Diagnostic Mode DIP Switch 1 on the
AT-CM20x Series and AT-CM212x/1 Series line cards.
Table 12. AT-CM20x Series and AT-CM212x/1 Series – Diagnostic Mode
DIP Switch 1 Positions
Operating Mode DIP 1 DIP 2 DIP 3 DIP 4
Smart MissingLink (SML) OFF ON ON X
MissingLink™ (ML) OFF OFF ON X
OAM Bypass ON OFF OFF X
289
3
K
1 2 3 4
3
K
1 2 3 4
SW
1
SW
2
AT-CM
202
LK
AT
T
X
SML
M
L O
AM
R
D
Y
LK
AT FD
T
X
M
M
R
X
Port Configuration
DIP Switch 2
Diagnostic Mode
DIP Switch 1
541
3
K
1 2 3 4
S
W
2
3
K
1 2 3 4
S
W
1
AT-CM212A/1
L
K
AT
LK AT FD
R
DY
F
X
T
X
SML ML OA
M
Port Configuration
DIP Switch 2
Diagnostic Mode
DIP Switch 1
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