Harris Constellation - Page 40

Constellation™ November 2003
1-14 Introduction
Figure 1-8: High capacity, 4xDS3/3xDS3 terminals
TRANSMITTER A1 RECEIVER A1 SERVICE CHANNEL* SPU CONTROLLER HLM MODEM A1
ACU
FUSE PANEL
FAN ASSEMBLY
POWER SUPPLY A1
KEYPAD, HANDSET,
AND DS1 ACCESS
Splitter-Combiner
TRANSMITTER A1 RECEIVER A1 SERVICE CHANNEL* SPU CONTROLLER MODEM A1
ACU
FUSE PANEL
FAN ASSEMBLY
POWER SUPPLY A1
KEYPAD, HANDSET,
AND DS1 ACCESS
Splitter-Combiner
Nonprotected Terminal
MODEM A2
HLM
RECEIVER A2
POWER SUPPLY A2
Nonprotected Tx, SD Rx Terminal
TRANSMITTER A1 RECEIVER A1 MODEM A1
ACU
FUSE PANEL
FAN ASSEMBLY
POWER SUPPLY A1
KEYPAD, HANDSET,
AND DS1 ACCESS
Splitter-Combiner
MODEM A2
HLM
TRANSMITTER A2 RECEIVER A2
POWER SUPPLY A2
HLM
SPU CONTROLLER SERVICE CHANNEL*
MHSB Terminal
MHSB, SD/FD Terminal
*Service Channel is optional.