AUTOMATION & ELECTRONICS, INC.
SROAM
Bell 202 Radio Modem: Specifications
Bell 202 Radio Modem: Specifications
| Mechanical | Size: 3" x 7-3/4" x 1-1/2" PC board snap track |
| Environmental | Operating temperature: -40 to 140 deg. F (-40 to +60 deg. C) |
| Relative humidity: 20 to 90% non-condensing | |
| Power requirements | 10 VDC to 15 VDC, 12 VDC nom (120-160 mA @ 12 VDC without radio) |
| Radio: 1 A maximum with poly fuse or 10 A maximum with fuse | |
| Modem | Bell 202 |
| Mark frequency: 1200 Hz | |
| Space frequency: 2200 Hz | |
| Modulation: Frequency shift key (FSK) | |
| Baud rate | 1200 bits/sec asynchronous half duplex |
| Interface | Data: RS-232, 9 pin male Tx, Rx, DTR, DSR, DCD |
| Radio: Standard 10 pin ribbon cable or hi density terminal block: +12, Gnd, Tx, Rx, Key, CD | |
| Transmit output power | 0-8 Vpp with adjustment preemphasis/deemphasis (+/-6 dB) |
| Receive sensitivity | 100 mVpp minimum, adjustable (+/-6 dB max skew) |
| Transmit lockout | After 11 seconds of continuous transmission |