Comtech EF Data CRS-500, Installation And Operational Manual

Page: 30 / 220

CRS-500 1:N Redundancy System
Revision 4
Introduction 1–6 MN-CRS-500
1.3.1.1 CSU Front Panel Operational Features
Chapter 8. CSU FRONT PANEL OPERATION
Monitor and Control (M&C) of the complete CRS-500 system is accomplished
through the CSU. DO NOT DIRECTLY CONNECT TO A MODEM FOR REMOTE
(SERIAL OR ETHERNET) M&C.
Refer to Figure 1-3:
Feature 1A:
The VFD is an active display showing two lines of 24 characters each. You can control the
brightness of its blue light.
Feature 1B:
The six-button keypad array is used for local control via menu navigation. The keys “click” to
give tactile feedback.
Features 1C through 1E comprise the LED Indicators :
•
The four LEDs in the SWITCH STATUS LED group ( Feature 1C ) show the operating
state of the CRS-500 1:N Redundant System.
•
The TRAFFIC MODEM STATUS LED group ( Feature 1D ) is comprised of 10 sets of four
status LEDs, plus the active TRAFFIC MODEM number. They show the operating state
of up to 10 Traffic modems.
•
The REDUNDANT MODEM STATUS LED group ( Feature 1E) is comprised of two sets
of four status LEDs, plus the active REDUNDANT MODEM (RM) number. They show the
operating state of the active Redundant Modem.
Only RM 1 is operational at this time. RM 2 is reserved for future 2:N
functionality
.