RAD Data comm FCD-X21 Manual de instalación descargar pdf (Pagina 164)

Appendix D Command Language Installation and Operation Manual

D-2 Front Panel Parameters FCD-E1

Table D-1. System Configuration Parameters

Designation Function Values Configuration Guidelines

CLK_MASTER

Selects the master system

timing reference.

INT – Internal oscillator.

ML – Locked to the recovered main link receive

clock

SL – Locked to the recovered sublink receive clock

CH_1, CH_2 – Locked to the external clock

supplied to the corresponding user data channel,

provided the channel timing mode is DTE2

Default: INT

Select ML or SL for connection to carrier lines.

Select one of the data channels for connection to a data

network.

Select INT at one end and ML at the other end for point-

to-point lines.

CLK_FBACK

Selects the alternate

(fallback) system timing

reference, for use in case

the master reference fails.

NONE – No fallback source is used. In this case, the

internal oscillator is automatically selected when

the master reference fails

ML – Locked to the recovered main link receive

clock

SL – Locked to the recovered sublink receive clock

CH_1, CH_2 – Locked to the external clock

supplied to the corresponding user data channel,

provided the channel timing mode is DTE2

Default: NONE

Select a source different from that selected as master.

Select NONE to disable switching to the fallback source. In

this case, the default fallback clock source is the FCD-E1

internal clock oscillator.

1 2 ... 159 160 161 162 163 164 165 166 167 168 169 ... 223 224

Sin comentarios

RAD Data comm FCD-X21 Manual de instalación Pagina 164