ACS-160 Series & STL-160 Series T1 Multiplexer Installation & Operation 2 – Functional Description
Version 2.11, August 2011
2-24 Harris Corporation
Intraplex Products
Figure 2-16. Superframe (SF) Format
Figure 2-17. Extended Superframe (ESF) Format
2.2.1.2 T1 Line Coding
To assist in detecting transmission errors, all T1 lines use one of these two forms of line coding:
● AMI (alternate mark inversion)
● B8ZS (Bipolar With 8-Zero Substitution)