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Chapter 5
Hardware Reference
IES Connectors
J1 is a 34-pin box header that contains the +5V fuse and floppy status information and is accessible directly from the motherboard backplane. J1 is used by the ERS II and the ERS/FT.
J1 1 NC 18 5V Fuse Slot 2 2 NC 19 5V Fuse Slot 3 3 NC 20 5V Fuse Slot 4 4 NC 21 5V Fuse Slot 5 5 NC 22 5V Fuse Slot 6 6 NC 23 5V Fuse Slot 7 7 NC 24 5V Fuse Slot 8 8 NC 25 5V Fuse Slot 9 9 NC 26 5V Fuse Slot 10 10 NC 27 5V Fuse Slot 11 11 NC 28 5V Fuse Slot 12 12 NC 29 5V Fuse Slot 13 13 NC 30 5V Fuse Slot 14 14 NC 31 5V Fuse Slot 15 15 NC 32 5V Fuse Slot 16 16 NC 33 Floppy Fuse 17 5V Fuse Slot 1 34 Ground
J2 is a 10-pin box header that connects directly to an electronic multiplexor panel and provides LED control to the front panel of a BOS.
J2 1 Keyboard Fuse Status 2 Power Supply 1 Good Status 3 Power Supply 2 Good Status 4 Sensor O.K. LED (Watchdog) 5 Sensor Fault LED (Watchdog) 6 Subsystem O.K. LED 7 Subsystem Fault LED 8 Cubix Data Highway O.K. LED 9 Cubix Data Highway Fault LED 10 Speaker Control
J3 is a 26-pin box header that connects directly to a multiplexor panel and provides the POLL-ACKNOWLEDGE-RESET signals for 8 BC processor board products. J3 is used by the ERS II, ERS, ERS/FT, and BOS subsystems.
J3 1 BC Processor 7 Acknowledge Input 2 BC Processor 6 Acknowledge Input 3 BC Processor 5 Acknowledge Input 4 BC Processor 4 Acknowledge Input 5 BC Processor 3 Acknowledge Input 6 BC Processor 2 Acknowledge Input 7 BC Processor 1 Acknowledge Input 8 BC Processor 0 Acknowledge Input 9 BC Processor 7 Reset Control 10 BC Processor 6 Reset Control 11 BC Processor 5 Reset Control 12 BC Processor 4 Reset Control 13 BC Processor 3 Reset Control 14 BC Processor 2 Reset Control 15 BC Processor 1 Reset Control 16 BC Processor 0 Reset Control 17 BC Processor 7 Poll Control 18 BC Processor 6 Poll Control 19 BC Processor 5 Poll Control 20 BC Processor 4 Poll Control 21 BC Processor 3 Poll Control 22 BC Processor 2 Poll Control 23 BC Processor 1 Poll Control 24 BC Processor 0 Poll Control 25 Ground 26 Ground
J4 on the IES is a 4-pin Molex connector that attaches the IES to an ERS II multiplexor and provides BC communications.
J4 1 New/Old- 2 BCNET Transmit 3 BCNET Receive 4 ERS/ERS II-
The J5 through J14 connectors are reserved for future applications.
J15 is a 4-pin Molex connector that monitors the status of fans, the keyboard fuse and the multiplexor fuse in ERS II, ERS/FT, and BOS subsystems.
J15 1 Fan 1 Rotor Lock 2 Fan 2 Rotor Lock 3 Keyboard Fuse Status 4 Not Used
J16 is a 2-pin Molex connector that supplies power supply operating status in ERS II, ERS/FT, and BOS subsystems.
J16
1 Power Supply 1 Good
2 Power Supply 2 Good
J17 is a dual RJ-11 jack that connects to the Cubix Data Highway via a 6-wire modular cable wired 1-to-1 as illustrated in Figure 5-1. Note that this cable is not compatible with a standard telephone cable.
Both RJ-11 jacks are wired in parallel. This allows daisy chaining to the next module without having to use an external T-connector.
Both jacks have the connections illustrated in Table 5 - 7.
J17 1 Not Used 2 Data Highway + 3 Not Used 4 Not Used 5 Data Highway - 6 Not Used
J18 is a 2-pin Molex connector that connects to an external Speaker Override switch when available. This is wired in parallel with the on-board Speaker Override Switch SW1.
J18
1 Speaker Override
2 Ground
J19 is a 5-pin Molex connector that is reserved for future use.
SW1 is the Speaker Override Switch. When an alarm sounds because of a fault, the operator may depress this switch once to disable the audio speaker alarm. If a different fault occurs, the audio alarm will sound again. The switch disables the audio alarm only for the alarms active at the time the switch is depressed. If a new fault occurs, the audio alarm will sound again. SW1 is accessible from the end bracket.
SW5 is the Hardware Reset Switch. Depressing the pushbutton switch momentarily resets the IES processor and its hardware. Releasing the switch allows the processor to begin executing again. SW5 is accessible from the end bracket.
The IES module provides three red LEDs (D1, D2, and D3) which indicate IES operation. Four additional green LEDs are provided for diagnostic purposes only. Refer to Figure 3-1 for LED locations.
IES Status (IES D1)
This LED is used to indicate the state of the IES module. The IES is equipped with a watchdog timer. If the watchdog timer is functional, the LED is not illuminated (operational). Otherwise the LED is illuminated (fault). When the IES is reset, a fault will be indicated for a short time until the IES can initialize the watchdog timer. If this LED blinks off and on with a 2 second interval, then position 1 of SW4 is incorrectly set OFF.
Subsystem (IES D2)
This LED indicates the state of the subsystem environment. If environmental faults exist, the LED is illuminated (fault). If no faults exist, then the LED is not illuminated (operational). The environmental parameters to be monitored are configured through BCVision. If the IES firmware or setup is invalid, this LED will indicate a fault.
Highway (IES D3)
This LED indicates the activity on the Cubix data highway. If BCVision does not communicate with the IES module within every 60 seconds, this LED will illuminate (fault). At reset the IES will indicate a fault until the first data highway communication occurs. This LED only reflects data highway communications between this IES and BCVision; communications between BCVision and other IES modules on the same data highway do not affect this LED. Note that this LED will be illuminated if BCVision is not running on the BC Supervisor.
Diagnostic LEDs
There are four LEDs provided for diagnostic purposes. The two top LEDs (furthest from the edge connector) are labeled LSB; the two bottom LEDs (closest to the edge connector) are labeled MSB. Each LED is defined below:
Top LSB LED: IES data highway receive in progress
Bottom LSB LED: IES data highway transmit in progress
Top MSB LED: IES transmit mode enabled
Bottom MSB LED: IES receive mode enabled
This document, and all Web contents, Copyright © 1997
by Cubix Corp., Carson City, NV, USA.
