User's Manual

Table Of Contents
Corning Optical Communications DRAFT User Manual I CMA-XXX-AEN I Page 27
The MRU front panel includes the RF and fiber optic interfaces in addition to the system level status LEDs and service
maintenance ports. The internal PAM modules each include a PWR/STS LED.
Figure 2-14. MRU External Interfaces
Table 2-2 and Table 2-3 provide a description of the MRU interface ports and LED status indicators.
Port Description
ANTENNA PORT 4.3-10 Type RF duplexed RF antenna port
TEST PORT QMA coupling test port used for UL and DL measurements during system operation
2.5 GHz INPUT PORT N/A (Future option); 4.3-10 Type RF port for 2.5 GHz external RF source
GND Two-hole, standard barrel grounding lug
PSM Power Connector Model dependant:
AC models AC connector connected to power source using provided AC power
cable only
DC models - two types of terminal block connectors:
CLASS2 (default) two “DC In” 8-pin terminal block connectors for remote feed:
one pair for each PAM ( total of five pairs) and one pair for the FAM+OPTM; one
RSV pair
CLASS1 one “DC-In” 2-pin terminal block for local plant feed
Exp. UL/DL
SMA RF ports for UL and DL connections to add-on unit (supporting any band
across the supported spectrum: 300 MHz to 3 GHz)