Adtran T1 CSU ACE User Manual download pdf (Page 21)

61203022L1-1B T1 CSU ACE User Manual 21

Chapter 1 General

UNIT OVERVIEW

The ADTRAN T1 Channel Service Unit (CSU) Advanced

Communications Equipment (ACE) provides the T1 interface

between customer premises equipment (CPE) such as channel banks,

T1 multiplexers, and the carrier network as shown in Figure 1. The

unit complies with Part 68 of FCC Rules and with applicable sections

of AT&T 62411, ANSI T1.102 and ANSI T1. 403.

The unit provides functions such as surge protection, signal

regeneration, alarms, loopbacks necessary for circuit operation and

fault isolation as illustrated in Figure 2 on page 22. The unit is

transparent to ESF or SF framing formats and AMI or B8ZS line

coding.

Figure 1. T1 CSU ACE Applications

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Adtran T1 CSU ACE User Manual Page 21