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Therefore, slot 24 cannot be used. In 1B and D modes
of operation, only the physical time slot of the shelf slot
position is required, and there are no restrictions.
When the 9004 U-BR1TE II is deployed in a channel
bank located at the same facility as the ISDN servicing
switch (Adjacent-to-Switch) or in a tandem Office
configuration, the channel bank should be provisioned
for external timing. External timing from a suitable
composite clock must have Stratum One traceability.
When deployed in a remote terminal (Adjacent-to-
Customer), the timing for that channel bank may either
be loop-timed (LP) or timed from an external source.
Consult local provisioning documents for timing options.
61425.020L2-5A
Table A. Faceplate LED Indicators
C
l o
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R
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d
I
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Section 61425020L2-5, Issue 1
D
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U
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b
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3. CONFIGURATION
There are several switch settings on the PCB that must
be configured before installing the 9004 U-BR1TE II.
Figures 1 and 3 identify the location of these switches
and their settings. Table B describes the settings for
determining the appropriate switch positions. Figure 2
displays a typical circuit position and associated switch
settings.
O
N
SW1
*Applies to the 9004 U-BR1TE II, L4
Part Number 1425.020L4
SW6*
POWER
NORM
Figure 3. SW1, SW2 and SW6 Labeling
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3
4
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1
2
3
4
N
ON
SW1
LULT
SW6
(RT)
ADJ
O
1
2
N
ON
POWER
NORM
SW2
LUNT
TANDEM
(COT)
. l
O
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F
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D
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1
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B
2
c
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t s
LULT
(RT)
ADJ
1
2
O
N
SW2
LUNT
TANDEM
(COT)
3
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