CTC Union ET100A Manual do Utilizador descarregar pdf (Página 27)

ET100 LAN-WAN Bridge

Sync Mode Clock Settings

Interface RS-530/449/232 or V.35 X.21

Signals TD(103) RD(104) TD(103) RD(104)

WAN TCLK

External

From

TC(114)

From

RC(115),S

WAN TCLK

Internal

Internal (Internal)*

WAN RCLK

External

From

RC(115)

From

RC(115),S

WAN RCLK

Internal

Internal (Internal)*

Table 11: SYNC Mode Clock Settings

* Because the ET100's WAN port is DTE, the X.21 clock sources for

transmit and receive are always issued from the DCE side S signal.

Setting the ET100's X.21 clock mode to internal is not recommended.

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CTC Union ET100A Manual do Utilizador Página 27