User Manual

Infrastructure Preparation
3.2.2 RF Rules
• Use coax ½”, 50ohm, male-to-male N-type, (6-7dB for 1Ghz, 11dB for 2Ghz) for
connecting to RHU and RHU ports.
• Use coax RG223, 50ohm, male-to-male N-type for RF connections from the BUs to the
BTS/RBS and to the RIU.
• When using the MobileAccess™ system in an environment in which other indoor
coverage systems are installed, it is recommended (where possible) that the antennas
are placed at least three meters apart
• When bending coax cables, verify that the bending radius does not exceed the coax
specifications.
3.4.1.
• Use only antennas listed in section
• Use a VSWR meter (i.e. Site Master or equivalent) for checking coax cables, including
the antennas. (<2). The VSWR must be measured prior to terminating the RHUs in the
remote communication rooms
• Terminate all unused MA-860 ports with a 50 ohm load
3.3 Power Consumption and Power Supplies
3.3.1 Power Safety Instructions
SAFETY WARNINGS
When installing or selecting the power supplies:
1. Be sure to disconnect all power sources before servicing.
2. Calculate the required power according to the requirements of the specific installation and
then determine the configuration of the power supplies. The required DC cables will then be
determined by the selected PS configuration.
3. Use only UL approved power supplies
4. AC and DC power supply cables – use only the power cords supplied with the units
3.3.2 MA-860 Power Consumption
Table 3-1. MobileAccess™ Power Requirements
Unit Type Voltage Input Typical Power Consumption
MA-860 48VDC 40W
MA-860 Redundant Power Supply 9.8VDC 40W
MA-860 Installation and Configuration Guide 16