ADTRAN MX2820 - Table 2-10. Heat Dissipation for Fully Loaded M13 System at ±24 VDC; Table 2-11. Heat Dissipation for Fully Loaded STS-1 System

MX2820 System Manual
2-8 61186003L1-1D
Table 2-10 provides the heat dissipation for a fully loaded M13 system at ±24 VDC for a single
19-inch shelf and a single 23-inch shelf deployment.
Note: x indicates the list version.
Table 2-11 provides the heat dissipation for a fully loaded STS-1 system at –48 VDC for a
single 19-inch shelf and a single 23-inch shelf deployment.
Note: x indicates the list version.
Table 2-10. Heat Dissipation for Fully Loaded M13 System at ±24 VDC
Part Number Description Quantity Heat
Dissipation
Watts
Quantity
times Watts
Total Watts
19-inch shelf
1186003Lx SCU 1 3.12 W 1 x 3.12 W 3.12 W
1186002Lx M13 MUX 7 redundant
pairs
17.28 W
each
7 x 17.28 W 120.96 W
Total watts 124.08 W
23-inch shelf
1186003Lx SCU 1 3.12 W 1 x 3.12 W 3.12 W
1186002Lx M13 MUX 9 redundant
pairs
17.28 W
each
9 x 17.28 W 155.52 W
Total watts 158.64 W
Table 2-11. Heat Dissipation for Fully Loaded STS-1 System
Part Number Description Quantity Heat
Dissipation
Quantity
times Watts
Total Watts
19-inch shelf
1186003Lx SCU 1 3.26 W 1 x 3.26 W 3.26 W
1186004L1 Clock Mod-
ule
2 2.50 W 2 x 2.50 W 5.00 W
1186005L1 STS-1 MUX 7 redundant
pairs
15.94 W
each
7 x 15.94 W 111.58 W
Total watts 119.84 W
23-inch shelf
1186003Lx SCU 1 3.26 W 1 x 3.26 W 3.26 W
1186004L1 Clock Mod-
ule
2 2.50 W 2 x 2.50 W 5.00 W
1186002Lx M13 MUX 9 redundant
pairs
15.94 W
each
9 x 15.94 W 143.46 W
Total watts 151.72 W