CTC Union EOe-1, User Manual

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Chapter 1. Introduction
9
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Internal timing :
The
EOe-1
E1 link transmit clock is derived from the
internal clock oscillator. This timing mode is necessary in point-
to-point applications over leased line. In this case, one
EOe-1
must use the internal oscillator while the other must operate from
the recovered clock.
Figure 1.2: Internal Timing
Ethernet
Bridge
10/100Base
DSU
E1
E1
transceiver
Clock Mode 1: Internal
OSC
RX
TX