Module Configuration; Figure 2-1, 1260-X121 Block Diagram - Racal Instruments 1260-X121 User Manual

Module
Configuration
FRONT
2X Burndy
MS20PM-58
Installation Instructions 2-2
The 1260-X121 is a 20-channel single-wire switch module
consisting of twenty SPST relay switches ten SPST configuration
relays. This architecture permits the 1260-X121 module to be
organized via software as twenty SPST or ten 1X2 switches.
For a block diagram of the 1260-X121, see Figure 2-1.
CH00
CH01
PANEL
CH02
CH19

Figure 2-1, 1260-X121 Block Diagram

VRR
1260-X121 User Manual
CONTROL
CIRCUITS
AND RELAY
DRIVERS
Racal Instruments © 2005