Technical data

Product Specification
HIF-2121/R5 CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 965-1176-601 REV: D SHEET 114
External
Fault
Computer
OK
Computer
Fail
Condition Recommended Maintenance Action
OFF OFF OFF EGPWC Power off Turn EGPWC power ON.
OFF OFF RED EGPWC internal
fault exists
Remove, replace and repair EGPWC
OFF GREEN OFF Normal operation None
OFF GREEN RED Invalid condition Remove, replace and repair EGPWC
YELLOW OFF OFF Invalid condition Remove, replace and repair EGPWC
YELLOW OFF RED Both EGPWC
internal and
EGPWS external
faults exist
Troubleshoot external faults using
EGPWC self-test if possible. Remove,
replace and repair EGPWC.
YELLOW GREEN OFF EGPWS external
fault exists
Troubleshoot external faults using
EGPWC self-test.
YELLOW GREEN RED Invalid condition Remove, replace and repair EGPWC
TABLE 6.10.4-1: RECOMMENDED MAINTENANCE ACTION FOR STATUS LED CONDITIONS
The EGPWC front panel provides file download and upload capabilities via a Smart Cable connected to the test port, as
described in section 6.10.5.
The EGPWC front panel test plug provides various communications support capabilities, discretes used for file downloading
and power outputs for the Smart Cable. Table 6.10.4-2 describes the function of each pin for both the MKVI and the MKVIII
EGPWCs. Table 6.10.4-3 describes the connections required to support RS-232 communications. Refer to section 3.6.2.2,
front panel test connector for the mating connector description and specification.
The RS-232 port requires the following characteristics: 19,200 Baud, 8 bits, No parity, and 1 stop bit.
PIN FUNCTION
1 Ground (Smart Cable power return)
2 PCMCIA Card Present
3 RS232 RX
4 RS232 TX
5 Reserved
6 Smart Cable power
7 Smart Cable serial clock
8 Smart Cable serial input
9 Smart Cable serial output
10 Smart Cable serial select
11 GSE present
12 GND
13 GND
14 GND
15 Reserved
TABLE 6.10.4-2: MKVI/MKVIII EGPWC FRONT PANEL TEST PLUG PIN DESCRIPTION