Issue 2.3
25
PYXIS
System User Guide
SW8
Control mode selects which protocol the serial control ports will use. ‘GENERAL’ configures
both RS485 ports to support General Switcher protocol. ‘PANELS’ configures both RS485 Remote
ports to support Multi-drop Comms protocol. See the next section for a description of these protocols.
Not used in the configurable database.
LEDs
The 8 yellow diagnostic LEDS on the 2445 have the following definitions:
LED
Function
1 POWER
ON
2 RESET
3 CONTROL
CARD
ACTIVE
4
Flashing at 2Hz - ACTIVE CONTROLLER
Flashing at 1Hz – IDLE CONTROLLER
5
CROSSPOINT SET - FLASHES WHEN SET
6
NO HANDSHAKE FROM A MODULE
7
525 REFERENCE INPUT DETECTED
8
625 REFERENCE INPUT DETECTED
4,8
4 on & 8 flashing: R/W error with RAM
4,7
4 on & 7 flashing: Checksum error in EPROM
Table 7: 2445 Nebula Control Card: LED Functionality
4.2.5.2 2449
Base
Card
The 2449 base card has a number of configuration headers and switches, most explained in more detail in
section 5 in relation to rear panel port configuration.
Figure 16: 2449 Base Card - Switch Locations