User's Manual

Table Of Contents
Appendix E: Specifications
CMA-331-AEN
Page 77
RF Path: Coverage Component
Specifications (continued)
Optical Interface Unit (OIU)
OIU hosts the following modules:
1. OIM - Optical Interface Modules; converts the RF to three optical links
2. OIX - Optical Interface Expander; OIU to HEU interface module
Note: For configurations with one OIX an ETM is required for terminating the
unused Expander slot.
3. Fiber main module (FMM); See FCM specifications for description
4. ACM - Auxiliary Control Module; manages unit domestic modules, "Slave" controller
to the HCM
5. PSM - Power Supply Module; AC or DC power supply
OIM
Interfaces:
Optical Interface: One Female MTP
®
Connector
Six pin SMP jack RF connector for 1:1 direct
signal transportation, three UL and three for DL
OIX
RF interfaces: Two 9-pin connectors
ETM
(See ETM in HEU section for description)
ACM
(See ACM in HEU section for interfaces)
PSM-AC
(See PSM-AC in HEU section for interfaces)
Power Consumption (Full Chassis): 300 W
PSM-DC
(See PSM-DC in HEU section for interfaces)
Power Consumption (Full Chassis): 300 W