User's Manual

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ARINC 781-200 SDU and SCM
23-15-30 4-15
DATE TBD
Figure 4-8 SATCOM USIM/DATA Menu
Table 4-15 describes the information available on the USIM/Data menu.
H. ORT
The A781-200 system may not function properly if the ORT parameters do not match the
inst
alled system.
(1) Checking the ORT
You can check the content of the ORT fil
e through the maintenance port menus.
"SDU Maintenance Port Utility (MPU)" on page 4-2 provides information about
accessing the maintenance port menus.
NOTE: The ORT includes many parameters that affect internal operations. These
parameters are not meaningful for technicians troubleshooting the satellite
communication system.
To check the ORT:
1. In the maintenance port menus, navigate to menu 3.
2. To list the ORT, press H.
The list of ORT parameters appears. The list is about eight pages long.
Some ORT parameters displayed are system defaults that cannot be modified
thr
ough the secure and user ORT files.
3. Compare the ORT parameters to the system installed in the aircraft.
I. Contact Product Support
When the troubleshooting procedures do not find a fault and the A781-200 system does
no
t function properly, contact RCI Product Support.
RCI Product Support contact information:
Table 4-15 SATCOM USIM/DATA Menu
Lab
el Description
USIM#1 Reports the status of USIM#1 bus as OK, WARMING, SBB LOG, FAULT, or N/A
if channel card 1 is not in SBB mode.
ETH#1 Reports the status of ETH#1 bus as DISABLED, LINK, or NO LINK.
ETH#2 Reports the status of ETH#2 bus as DISABLED, LINK, or NO LINK.
QUAD ETH#3 Reports the status of QUAD ETH#3 bus as DISABLED, LINK, or NO LINK.
QUAD ETH#4 Reports the status of QUAD ETH#4 bus as DISABLED, LINK, or NO LINK.
ETH#5 Reports the status of ETH#5 bus as DISABLED, LINK, or NO LINK.
NOTE: Ethernet 1, 2, and 5 are not supported. Ethernet 4 is only used for application data loading.