363-206-285
Circuit Pack Descriptions
Issue 3 June 2001
7-31
DS1 Hardware Settings 7
The line coding and line build out (LBO) are switch settable. The locations of the
DS1 circuit pack option switches are shown in Figure 7-11.
Note: The switches are set by moving the slide toward the desired position.
DS1 Cable LBO Settings
613C (608C)
Cable Length
(feet)
1249C
Cable Length
(feet)
Other Cable
dB Loss at
772 KHz
DIP Switch Settings
S1-1 S1-2 S1-3
0to133* 0to90* 0to0.6 OFF OFF OFF
>133 to 267 >90 to 180 >0.6 to 1.2 OFF OFF ON
>267 to 400 >180 to 270 >1.2 to 1.8 OFF ON OFF
>400 to 533 >270 to 360 >1.8 to 2.4 OFF ON ON
>533 to 655 >360 to 450 >2.4 to 2.8 ON OFF OFF
* Minimum of 30 feet required to meet EMI requirements.
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ON
OFF
Edge
Connector
Component Side
S1
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