Avaya 555-233-116 manual Stratum 3 clock, Set clock options

Models: 555-233-116

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Stratum 3 clock

11

 

The Stratum 3 clock is an optional feature for digital frame timing that couples the clock output to local clocks. This chapter provide information on setting the option switches on the clock. For installation information refer to the appropriate installation or upgrade book for your system.

NOTE:

The information in this chapter does not apply to the G700 Media Gateway configurations. There is no way to physically connect the G700 tone clock (resident on the motherboard) to an external Stratum 3 clock source.

Set clock options

There are four sets of option switches on the clock. Proceed as follows.

1. Set the options on the clock input board (CI) per Table 16.

Table 16. CI Option Switch Settings

Switch

Function

Position

 

 

 

1

T1 select

OFF = enable (default)

 

 

ON = disable

 

 

 

2

CC select

OFF = enable

 

 

ON = disable (default)

 

 

 

3

Framing select

OFF = ESF

 

 

ON = D4 (default)

 

 

 

4

BX.25

OFF = enable

 

 

ON = disable (default)

 

 

 

 

 

 

555-233-116

Issue 4 October 2002 163

Page 163
Image 163
Avaya 555-233-116 manual Stratum 3 clock, Set clock options