The LAT will use the following unit identification codes
for external communications (via the 1553 bus)
and internal communications (via the LATp bus):
| LAT Unit Identification Codes |
| LAT Unit |
Description |
LATp ID |
| Not Applicable |
SIU(ext): SIU test port. |
0x11 (TBR) |
| 0x0 |
SIU(0):
The SIU designated as unit 0.
The LAT unit identifier of 0x0 will be used
to address the active SIU on the 1553 bus.
SIU 0 is active if it is the SIU
that is responsive on the 1553 bus.
The LATp address for SIU(0) is unique from SIU(1)
and is designated as ID 18.
|
0x12 |
| SIU(1):
The SIU designated as unit 1.
The LAT unit identifier of 0x0 will be used
to address the active SIU on the 1553 bus.
SIU 1 is active if it is the SIU
that is responsive on the 1553 bus.
The LATp address for SIU(1) is unique from SIU(0)
and is designated as ID 19.
|
0x13 |
| 0x1 |
EPU(0): EPU designated as unit 0. |
0x14 |
| 0x2 |
EPU(1): EPU designated as unit 1. |
0x15 |
| 0x3 |
EPU(2): EPU designated as unit 2. |
0x16 |
| 0x6-0xF |
Not Assigned |
Not Applicable |