User's Manual

12 68P80801H45-1 1/20/2002
Base Radio EBTS System Manual - Vol 2
QUAD Channel 900 MHz Base Radio Overview
QUAD Channel 900 MHz Base Radio Controls and Indicators
Power Supply and EX / CNTL controls and indicators monitor BR status and
operating conditions, and also aid in fault isolation. The Power Supply and EX /
CNTL sections of this chapter discuss controls and indicators for both modules.
The Power Supply has two front panel indicators. The EX / CNTL has twelve
front panel indicators. The Power Supply power switch applies power to the BR.
The EX / CNTL RESET switch resets the BR.
QUAD Channel 900 MHz Base Radio Performance Specifications
QUAD Channel 900 MHz Base Radio General Specifications
Table 6 lists general specifications for the BR.
Table 6 QUAD Channel 900 MHz BR General Specifications
Specification Value or Range
Dimensions:
Height
Width
Depth
Weight
5 EIA Rack Units (RU)
19" (482.6 mm)
16.75" (425 mm)
85 lbs. (38.6 kg)
Operating Temperature 32˚ to 104˚ F (0˚ to 40˚ C)
Storage Temperature -22˚ to 140˚ F (-30˚ to 60˚ C)
Rx Frequency Range:
900 MHz iDEN 896 - 901 MHz
Tx Frequency Range:
900 MHz iDEN 935 - 940 MHz
Tx – Rx Spacing:
900 MHz iDEN 39 MHz
Carrier Spacing 25 kHz
Carrier Capacity
a
a. Multi-carrier operation must utilize adjacent, contiguous RF carriers.
1, 2, 3 or 4
Frequency Generation Synthesized
Digital Modulation QPSK, M-16QAM, and M-64QAM
Power Supply Inputs:
VDC -48 VDC (-41 to -60 VDC)
Diversity Branches Up to 3