RF Innovations RFI-148, Руководство пользователя

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Appendix A Technical Specifications
RFI-148 250W VHF Paging Transmitter User Manual Page 25 of 43
Appendix A
Technical Specifications
A.1 Type Approvals
Australia / New Zealand AS NZS 4769.1 Australian Supplier ID: N161
FCC CFR 47 Part 15 and Part 90 FCC ID PSM RFI148
ETSI (Planned) ETS 300 113 N/A
Table 3: Type approvals
A.2 RFI-148 250 Specifications
RF Operating Bandwidth 138 MHZ – 174 MHz
RF Switching Bandwidth 2 MHz
RF Channel Bandwidth 12.5 kHz, 25 kHz
RF Frequency Raster Selectable: 25 kHz, 12.5 kHz, 6.25 kHz, 5 kHz
RF Output 20 to 250 Watts
Internal Reference Frequency: 10 MHz
Stability: +/- 1 ppm (-30 to +75 degrees C)
Modulation

POCSAG 512, 1200, 2400 bps (2-level FSK).

FLEX 1600 (2-level FSK), 3200 (2- or 4-level FSK), 6400
bps (4-level FSK).
Ethernet Port 10BASE-T/100BASE-TX, auto-negotiating.
Serial Ports Dual asynchronous full-duplex RS-232 (DTE)
Baud rates: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600,
115200 bps
Data bits: 7 or 8
Parity: None, odd, or even
Stop bits: 1 or 2
Flow control (main port only): None or hardware (RTS/CTS)
Control lines (main port only): RTS, CTS, DTR, DCD
Digital Inputs TTL Schmitt trigger with internal 100 KΩ pull-up.

Frequency Select 1

Frequency Select 2

Frequency Select 3

Frequency Select 4

Protocol Select

Hardware PTT

Tx Data L-bit

Tx Data H-bit

Transmit Clock
Alarm Outputs Open-collector Darlington with 500 mA sink current.