363-206-204
Powering, Verification, and Circuit Pack Installation
Issue 9 October 1998
4-45
Note
:
Controls line coding and frame format for both DS1 input and output.
* Factory default
* Factory default # Main OLIU is default; function unit C by set-sync command.
Figure 4-14. BBF2B TGS Option Switches (Sheet 1 of 2)
Notes
:
1. If the shelf will not be timed from the incoming optical line (loop timed) and is not con-
nected to a DS1 clock (J37 on backplane), set the Timing Mode for "Free Running".
Switch 1 Settings
DS1 Line Coding
Switch
DS1 Frame Format
Switch
S1-1 S1-2
AMI* ON SF* ON
B8ZS OFF ESF OFF
Switch 1 Settings
Timing Mode
Switch Settings
S1-3 S1-4 S1-5 (DS1 Output)
Free Running ON ON OFF
DS1 External, MULT OUT Mode* OFF ON OFF
Loop Timing Main# ON OFF OFF
Loop Timing Main#, SYNC OUT Mode ON OFF ON
DS1 External, SYNC OUT Mode ON ON ON
(Invalid) OFF OFF ON
(Invalid) OFF OFF OFF
(Invalid) OFF ON ON
12345
123
ON
OFF
S2
Edge
Connector
Component Side
S1
ON
OFF
Latch
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