User's Manual

Table Of Contents
Installation RF Path Elements CMA-331-AEN Page 104
Draft
5.1.4.6 IHU Expansion Connections to IHU, HEU and OIU Units
Note the following:
A single IHU supports expansion connections as follows:
To one additional IHU unit
To one HEU and one OIU (see Figure 5-50)
For connections to additional IHU or HEU and OIU units:
Using the appropriate length ERFC cable (according to distance of available OIX/RIX port) connect remaining IHU RIX and OIX
module connectors as follows:
Connections to additional IHU unit (see Figure 5-50):
IHU #1 RIX 9-Pin connector to the corresponding IHU #2 OIX module
IHU #1 OIX 9-Pin connector to the corresponding IHU #2 RIX module
.
Figure 5-50. RIX to OIX Connections between two IHUs
Connections to additional HEU and OIU units (see Figure 5-51):
IHU RIX 9-Pin connector to the corresponding connector on the OIX module of the additional OIU.
IHU OIX 9-Pin connector to the corresponding connector on the RIX module of the additional HEU.