IBM 8265, Site Preparation Manual

Page: 51 / 164

Chapter 4. Planning for Fiber Connections
35
Table 25 shows the total power loss calculation for each link in the connection.
Table 25. Power Loss Calculation (Example)
LInk Component Power Loss (dBm) Reference
Desktop A
to
8265 B Cable connector (to ATM Desktop) 0.7 Table 20
100 meter cable 0.25 (worst case) Table 22
Cable connector (to wall socket) 0.7 Table 20
Wall socket (physical contact) 0.4 Table 20
Wall socket (non-physical contact in wall) 0.7 Table 20
200 meter cable (in wall) 0.5 (worst case) Table 22
Cable connector (to patch panel) 0.7 Table 20
Patch panel 1.0 (worst case) Table 23
Jumper cable (from patch panel to 8265 B) 0.75 Table 24
Total Power Loss for Link = 5.7
8265 B
to
8265 C Jumper cable (from 8265 B to patch panel) 0.75 Table 24
Patch panel 1.0 (worst case) Table 23
Cable connector (to one patch panel) 0.7 Table 20
2 kilometer cable (between buildings) 5.0 (worst case) Table 23
Fusion splice 0.15 Table 21
Cable connector (to other patch panel) 0.7 Table 20
Patch panel 1.0 (worst case) Table 23
Jumper cable (from patch panel to 8265 C) 0.75 Table 24
Total Power Loss for Link = 10.05
8265 B
to
Desktop D Jumper cable (from 8265 C to patch panel) 0.75 Table 24
Patch panel 1.0 Table 23
Cable connector (to patch panel) 0.7 Table 20
400 meter cable (in wall) 1.0 (worst case) Table 22
Wall socket (non-physical contact in wall) 0.7 Table 20
Wall socket (physical contact) 0.4 Table 20
Cable connector (to wall socket) 0.7 Table 20
100 meter cable 0.25 (worst case) Table 23
Cable connector (to ATM desktop) 0.75 Table 20
Total Power Loss for Link = 6.25