Installation Manual

Table Of Contents
R20 1X UBS Macro B T S Hardw are Installation Site v erication
Table 2 -7 Minimum fr ame clear ances for maintenance - front and rear access
Front Rear T op
Left side
Right side Bottom
700 mm
(27.55 inches)
150 mm
(5.9 inches)
300 mm
(11.8 inches)
0 mm
(0 inches)
0 mm
(0 inches)
0 mm
(0 inches)
Frame DC input power and power cabling information
T able 2 -8 gives DC input power cabling and circuit breaker information.
F or frame maximum and typical power consumption, refer to the
UBS (800 MHz) BTS
Specification (B1)
document or
UBS (1.9 GHz) BTS Specification (B1)
document
whichever is applicable.
Table 2 -8 +27 V DC and –48 V DC Fr ame P ower Cabling and P ower Supply Break er
Information
Qty of XMIs
Maximum
cable length
Cable
size
(A WG)
Cable insulation
temperature rating
C)
Qty of power
feeds (+ and
- pairs)
Breaker size per
feed (Amps DC)
1 661.11 cm
(21.69 ft)
2/0 200 1 250
1 833.63 cm
(27.35 ft)
3/0 150 1 250
1 1051.25 cm
(34.499 ft)
4/0 150 1 250
2 661.11 cm
(21.69 ft)
2/0 200 1 250
2 833.63 cm
(27.35 ft)
3/0 150 1 250
2 1051.25 cm
(34.499 ft)
4/0 150 1 250
3 661.11 cm
(21.69 ft)
2/0 200 2 250
3 833.63 cm
(27.35 ft)
3/0 150 2 250
3 1051.25 cm
(34.499 ft)
4/0 150 2 250
Continued
68P09283A62 -3 2 -17
PRELIMINARY A UG 2007