Mocomtech CRS-300 operation manual Typical Redundancy System-Level Block Diagram

CRS-300 1:10 Redundancy Switch	Revision 16
Introduction	MN/CRS300.IOM

1.3System-Level Block Diagram

Figure 1-1shows the system-level block diagram of the CRS-300 1:10 Redundancy Switch, including the optional CRS-280/280L IF and CRS-350 ESC Switches.

3	User Alarms,
3	Audio,
	Overhead

CRS-350 ESC Switch

(Optional)

Control

TMI	TMI	RMI
#1	#10

1 or 2	1 or 2
	TMI #1

User

Terrestrial

Data

1 or 2 TMI #10 1 or 2

RMI	1 or 2
RMI Interface

CRS-240

Power Supply

CRS-240

Power Supply

3

Modem # 1

2

	3
Modem # 10	2
	3
Modem #11	2

Control

CRS-230

System Controller

CRS-280/280L

IF Switch (Optional)

See Fig. 1-2	To Up
for schematic	Converters

From Down

Converters

CRS-300

Front Panel Keypad,

LCD and LED Display

CRS-300 Data Switch User EIA-232/485 M&C System Alarms

Figure 1-1. Typical Redundancy System-Level Block Diagram

1–5