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DLP-503
: Detailed Level Procedure
Page 7 of 10
Table D – BBF2B/BBF2C TGS/BBF4 TG3 Timing Mode Switch Settings
Timing Mode
*
Free Running
DS1 External, MULT Mode
Line Timing, MAIN
Line Timing, SYNC OUT Mode
DS1 External, SYNC OUT Mode
Invalid
Invalid
Invalid
* Factory default.
† Main OLIU is default; FUNCTION UNIT C by set-sync command.
Figure 2 – BBF2B/BBF2C TGS or BBF4 TG3 Option Switches
Switch S1 Settings
S1-3
ON
OFF
†
ON
ON
†
†
ON
OFF
OFF
OFF
DDM-2000 OC-3 M
Issue 2, February 2000
S1-4
S1-5 (DS1 Output)
ON
OFF
ON
OFF
OFF
OFF
OFF
ON
ON
ON
OFF
ON
OFF
OFF
ON
ON
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