User's Manual

Apr 2001

V0I.01

4812ET RF and Power Cabinet Hardware Installation Manual

DRAFT

185

Appendix I: Minimum CSU Requirements

for SC 4812ET BTS

This section includes...

CSU Requirements 185. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tables

Table G-1: Network Interface (8–pin RJ48C Connector) 178. . . . . .

Table I-2: Terminal Interface (8–pin RJ48C Connector) 187. . . . . .

Table I-2: Power Connector 187. . . . . . . . . . . . . . . . . . . . . . . . . . . .

CSU Requirements

The FCC requires Part 68 compliance on any chosen unit must be tested

as part of the whole system, including cabling and punch block external

interface. The user is responsible for this certification on any unit other

than the Motorola supplied CSU.

The following is a list of minimum CSU requirements listed for both

North American and International installations.

Operating Temperature Range:

–20_C to +60_C (the temperature seen inside the BTS range from

–10_C to +57_C )

Cold Start:

The CSU must be able to withstand a “cold start” from –40_C without

damage.

Physical Dimensions:

The standard 19” rack, 1–5 rack units high. The CSU may not extend

greater than 2.5” in front of the option mounting rails.

Power:

Must operate from 21V to 30V (27V nominal)

Power (Maximum):

Less than 100W for option shelf equipped with all necessary CSU

equipment. There are a total of three (3) breakers (10A each for options.

The total current pulled from all three (3) breakers cannot exceed 15A.