Appendix C - Technical Reference
LTPH-TP-1044-01, Issue 1
56
April 6, 2001
HXU-358 V1.04
A
PPENDIX
C - T
ECHNICAL
R
EFERENCE
shows a simplified block diagram of the HXU-358.
Figure 36.
Simplified Block Diagram
RINMC Interface
Test Interface
R
S
2
3
2
HMU Serial port
Arbitration Serial port
DS3
LIU
OPTO
Isolators
Protection
switching
control I/O
Power
converter
+5V, +3.3V,
Is5
+5V firm
M13
MUX
Digital
Access
Crosspoint
Switch
(DACS)
(7)
Quad
LIU
28 DS1/E1
Tributaries
DS3 Interface
B
A
C
K
P
L
A
N
E
C
O
N
N
E
C
T
O
R
Front
panel
Jacks,
LEDs
Craft
port
Serial 1
Serial 3
Serial 2
MCU
68EN302
DS1
LIU
R
S
2
3
2
Isolated CRAFT Serial port