6 Site Planning
52
6.1.5
PTP 54500 Product Variant - Link Loss, Output Power and System Threshold versus
Modulation Mode
Table 9 and Table 10 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
-69.6
+21
136.6
64QAM 0.67 dual
-73.6
+22
141.6
16QAM 0.75 dual
-76.5
+23
145.5
16QAM 0.50 dual
-81.1
+24
151.1
QPSK 0.75 dual
-82.49
+25
153.5
64QAM 0.83 single
-73.2
+21
140.2
64QAM 0.67 single
-77.1
+22
145.1
16QAM 0.75 single
-79.9
+23
148.9
16QAM 0.50 single
-84.6
+24
154.7
QPSK 0.75 single
-86.2
+25
157.2
QPSK 0.50 single
-89.2
+26
161.2
BPSK 0.50 single
-95.5
+27
168.5
Table 9 - PTP 54500 - IP Mode –System Threshold Figures – 15MHz BW