Itron Inc. FNCCU4 Manual Do Utilizador
DRAFT
Appendix A - CCU4 Collector Specifications
39
POTS Cable
POTS Cable
Receiver
Table 12:
POTS Cable Wire Specifications
Wire Color
Signal Name
Green
Tip
Red
Ring
Black
Ground
Yellow
no connection
Table 13:
Receiver Specifications
Specification
Value
Control Interface
Serial (TTL levels) 38400 bps
Command Interface
Custom Itron API
Power Supply Requirements
+5.5 VDC ± 5%, +3.6 VDC
Current Drain
Sleep: < 5 mA
Receive: ?
Operating Frequency
910 MHz – 920 MHz
Sensitivity (50% packets)
-112 dBm
Dynamic Range
Without Attenuation: 55 dB
With Attenuation: 83 dB
Out-of-Band Rejection
< 825 MHz: ? dB
< 890 MHz: ? dB
> 952 MHz: ? dB
> 1000 MHz: ? dB