E&M Ports
7-5
Type V is symmetrical and allows two signaling nodes to be connected back-to-back, as
illustrated in Figure 7-4. This is the most common interface type used outside of North
America. Type V uses two leads for supervisor signaling: E, and M. During inactivity the
E-lead and M-lead are open. The PBX (that acts as trunk circuit side) connects the M-lead to
the ground in order to indicate the off-hook condition. The IMACS-200 (signaling unit)
connects the E-lead to the ground in order to indicate off-hook condition.
Figure 7-4.Type V E&M Signaling
Summary of Contents for IMA CS-200 System
Page 18: ...8 Table of Contents Model No Running Head Table of Contents...
Page 22: ...4 List of Figures Model No Running Head List of Figures...
Page 130: ...4 46 General Features Model No Running Head CPU Troubleshooting IMACS 200 General Features...
Page 148: ...5 18 WAN Ports Model No Running Head WAN port Troubleshooting WAN ports...
Page 202: ...9 14 High Speed Data Ports Model No Running Head...
Page 208: ...10 6 OHSU Ports Model No Running Head...
Page 230: ...12 16 IPR Model No Running Head IPR Configuration Screens and Settings IP Routing...
Page 264: ...A 12 System Standards and Specifications Model No Running Head IPR Server Specifications...
Page 274: ...B 10 Error Messages Model No Running Head...
Page 294: ...20 Glossary Model No Running Head Zero Code Suppression...