T1/E1 Frame Generator With Clock Bypass Signal Requirements; Switch Block S3 - Symmetricom TSG-3800 Series User Manual

Setting Switch Block S3
Switch Block S3, located in the lower left corner of the module (see
determines the two timing signals that this module generates. Various output
modules use these signals to generate their own outputs. Some modules use
Output 1 and Clock 1, while other modules use Output 2 and Clock 2. For example,
some modules, such as the AMI Output module, can be configured to use either
Output 1 or Output 2, and to use either Clock 1 or Clock 2.
output modules available and the output and clock signal each module requires
from the T1/E1 Frame Generator module.
Table 6-19. T1/E1 Frame Generator with Clock Bypass Signal Requirements
Module Name
AMI 20-Output
AMI 10-Output
ESF/D4 (10)
Composite
Clock
56K Bit
RS-422
RS-422 8 kHz
TTL
TTL 8 kHz
G.703/10
Analog Output
(Yes = signal used, No = signal not used)
Determine which Output modules are required in your application, then refer to this
table and the following paragraphs to set the S4 switches appropriately.
summarizes the functions controlled by the S3 block of switches.
Table 6-20. Switch Block S3
Rocker
1 Selects output 1 signal
2 Selects Composite Clock duty cycle
3 Selects output 2 with rocker 4 off
Selects output 2 with rocker 4 on
4 Used with rocker 3
5 Not used
6 Not used
12778474-002-2 Revision F – March 2004
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Item Number Output 1
23478309-xxx-0 Yes
23478401-xxx-0
23478399-xxx-0
23477337-xxx-0 No
23477342-xxx-0 No
23477134-xxx-0 Yes
23477134-xxx-0 Yes
23477602-xxx-0 No
23478444-xxx-0
Function
CPU, Frame Generator, and Clock Modules
T1/E1 Frame Generator Module with Clock Bypass
Table 6-19
Output 2 Clock 1
Yes Yes
Yes No
Yes No
Yes Yes
Yes Yes
No Yes
Off
E1 T1
50/50 63/37
8 kHz Composite Clock E1
1.544 MHz
TSG-3800 User's Guide 199
Figure 6-11),
lists the
Clock 2
Yes
No
No
No
No
Yes
Table 6-20
On