Specifications

Chapter 7 –Communication Performance Verification
204 PL 3120/PL 3150/PL 3170 Power Line Smart Transceiver Data Boo
k
Figure 7.9 Receive Performance Verification
8. After moving the cursor to the Attn field, press the CHANGE and ENTER keys on the Send PLCA-22 analyzer to
increment the Attn level by 6dB. Then clear the status on the UUT by responding with a “Y” to the NodeUtil
prompt and then press START on the Send PLCA-22 analyzer.
9. Repeat Steps 7 through 8 above for all Send Attn levels up to, and including 24dB, recording the results each time
in Table 7.1 at the end of this chapter.
10. To test the secondary operating frequency of the UUT, change the PLCA-22 analyzers from UnackPri to UnackSec
mode. Repeat Steps 6 through 9, above, but record the results in the secondary frequency section of Table 7.1.
Unit Under Test
(UUT)
service pin
PLCA-22
ISOLATOR
packet detect LED
PLCA-22
Send
coax
coax
Recv
TxVpp:3.5
PL-20
L-N 240V
Coupler
coax
PL-20
L-N 240V
Coupler
PC containing a PCLTA-20
Attenuation
Circuit
(see fig. 7.5)
Isolated
Power
Line
To power
mains