Itron Inc. FNCCU4 Manual Do Utilizador
DRAFT
38
CCU4 Collector Field Installation and Service Guide
TDC-0359-000b 04/02
TDC-0359-000b 04/02
CDPD Modem
CDPD Modem
POTS Modem
Table 10:
CDPD Modem Specifications
Specification
Value
Serial Interface (DTE)
19200 bps
SLIP Interface
RFC1055
AT-Command Interface
Hayes Compatible with PCCA Wireless Extensions
Power Supply Requirements
+5 VDC ± 5%
Transmitter Power
Nominal 600 mW into 50
Ω
CDPD Transmitting at
Maximum Power
Maximum Power
3.65W
Current Drain CDPD Mode
Transmit (full power): 850 mA
Receive: 220 mA
Sleep: 45 mA
Deep Sleep: 35 mA
Table 11:
POTS Modem Specifications
Specification
Value
Serial Interface (DTE)
115 kbps
Modem Data Rate
Up to 56Kbps
AT-Command Interface
Hayes Compatible
Power Supply Requirements
+5V DC ± 5%
Current Drain Mode
Sleep: ?
Run: ?
Surge Immunity
FCC Part 68
Bellcore TR-NWT- 001089