User Manual
Read Me First: SCE4812T–MC to SCE4812T Comparison – continued
5/21/04 1X SC4812T–MC BTS Optimization/ATP 1-3
DRAFT
Numbering
LPA 1A
LPA 1B
LPA 1C
LPA 1D
LPA 3C
LPA 3A
LPA 3B
LPA 3D
LPA 2D
LPA 2C
LPA 2B
LPA 2A
LPA 4B
LPA 4A
LPA 4C
LPA 4D
Sector
3 Sector
Sector
3 Sector
(6 Sector)
Numbering
2 to 1 Combiner
3 Sector or 6 Sector
C1, S1–3
(C1, S1–3)
C2, S1–3
(C2, S1–3)
C3, S1–3
(C1, S4–6)
C4, S1–3
(C2, S4–6)
(6 Sector)
123
456
1C
2C
3C
4C
1D
2D
3D
4D
3A
2A
1A 1B
2B
3B
4B 4A
S4
MCM
1
Carrier
Numbering
Carrier
Numbering
3 Sector and 6 Sector
3 Sector
(6 Sector)
3 Sector
(6 Sector)
S5
S6
S1
S2
S3
MCM
2
CLPACLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
CLPA
SC 4812T SC 4812T–MC
FW00297 REF.
ti-CDMA-WP-00197-v01-ildoc-ftw
Figure 1-3: PA Location Comparison
NOTES:
S MCM CAN BE EITHER 3.3 OR 4X4
S MCM2 IS REQUIRED ONLY IN A 6–SECTOR CONFIGURATION
S LOWER RIGHT QUADRANT WILL ONLY HAVE CLPAS IN IT IN
A 4.4 CONFIGURATION
50
SC 4812T
SC4812T–MC
L
P
A
C
C
C
P
2A
4A
2B
4B
2C
4C
2D
4D
1A
3A
1B
3B
1C
3C
1D
3D
50
1
2
3
50 50 50 50 50 50 50 50 50
ti-CDMA-WP-00224-v01-ildoc-ftw
CIRCUIT
BREAKER
PANEL
1D1C
2C 2D
1B
1A
2A 2B
30
30
30
30
30
30
30
30
3D3C
4C
4D
3B
3A
4A
4B
50
50
50
1
2
3
C
C
P
L
P
A
C
FW00380 REF.
Figure 1-4: PA Breaker Mapping Comparison
Each breaker controls a pair of PAs. In an SC4812T–MC,
opening (pulling) a PA breaker while the BTS is operating
will degrade the TX Output power of ALL
sector–carriers,
not just a specific carrier as in an SC4812T.
CAUTION