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
1
2
3
4
5
1
2
3
ON
OFF
S2
Edge
Connector
Component Side
S1
ON
OFF
Latch
Содержание DDM-2000 OC-3
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