Specifications

CHAPTER 2: Introduction

• DTE—the interface module accepts clock signals for the receive and transmit

paths. Note that for the X.21 interface, the module has only a receive clock

input. Figure 2-2 shows the flow of timing signals for the DTE mode.

Figure 2-2. Flow of timing signals for DTE mode.

Interface Module

(DTE Mode)

Transmit Clock

Transmit Data

Receive Data

Receive Clock