Specifications
Chapter 1 Introduction  ASMi-52L Installation and Operation Manual 
1-2 Overview   
Figure 1-1. Standalone Modem Application 
Figure 1-2. ASMi-52L Modems Operating opposite ASMi-52CQ Cards 
Features 
Functionality 
ASMi-52L can be configured to operate in a CO (central office) or CPE (customer 
premises equipment) mode. 
Line Interface 
ASMi-52L extends the range of data transmission over 2/4-wire lines up to 7.7 km 
(4.8 miles), by employing SHDSL TC-PAM technology. ASMi-52L operation 
complies with the requirements of the ITU-T G.991.2 standard. 4-wire ASMi-52L 
units can be configured to operate over 4-wire or 2-wire lines. 
Table 1-1 lists typical ASMi-52L ranges over 2/4-wire 26 AWG line. 










