User Manual

Table Of Contents
6 Site Planning
54
6.1.6 PTP 58500 Product Variant - Link Loss, Output Power and System Threshold versus
Modulation Mode
Table 11 and Table 12 show typical system threshlold figures for IP and TDM, respectively
(15 MHz channel bandwidth shown).
Modulation Mode
Threshold
Value (dBm)
Output Power
(dBm)
Maximum Link
Loss (dB)
64 QAM 0.83 dual -70.6 +21 137.6
64QAM 0.67 dual -74.8 +22 142.9
16QAM 0.75 dual -78.1 +23 147.1
16QAM 0.50 dual -83.4 +24 153.4
QPSK 0.75 dual -84.5 +25 155.5
64QAM 0.83 single -74.3 +21 141.3
64QAM 0.67 single -78.0 +22 146.0
16QAM 0.75 single -81.2 +23 150.2
16QAM 0.50 single -86.7 +24 156.7
QPSK 0.75 single -88.6 +25 159.6
QPSK 0.50 single -90.5 +26 162.5
BPSK 0.50 single -96.2 +27 169.3
Table 11 - PTP 58500 - IP Mode –System Threshold Figures – 15 MHz BW