Possible configuration

• Point to point
  BMRM - SRM Data and BMRM - SRM Multimedia

• Point to multipoint
  BMRM - SRM Data only

Frequency bands

• Forward (Downstream):   851-890 Mhz

• Return (Upstream):           740 - 820 Mhz

Antenna connector

TNC Female, 50 ohm

Operation

Full or Half duplex, depending on the application

Transmit power

Selectable: 0,10,20 or 28.5 dBm nominal (1mw, 10mw, 100mw and 750 mw)

Modulation

GFDFM (Gaussian Filtered Direct Frequency Modulation)

Sensitivity

-85 dBm

Frequency agility

Yes

Diversity

Frequency and Space (dual antennas)

Error control

ARQ (for data)

Bit rate

1.5 Mbps

Etnernet port
(BMRM - SRM Data)

• Format IEEE 802.3 and v.2

• Interface speed: 10 Mbps

• Interface type: 10 base T

• BMRM Connector: RJ-45

• SRM Connector: Metal Circular

• Ethernet address filtering, self learning

Serial port

• 300 to 115 kbps, H/W flow control, 7 or 8 data bits, odd, even or no parity, 1 or 2 stop bits

• Selectable RS 232, RS 422 or RS 485 2 or 4 wires

• BMRM Connector: DB9

• SRM Connector: Metal Circular (2)

• Transmission delay: <30 Msec

Digital Video Transmission

(BMRM - SRM Multimedia)

• Color: 15-20 images per second

• B&W: 15-25 images per seconds

• SRM Multimedia supports four (4) cameras

• NTSC Interface

• Transmission delay: <150 Msec

• Format: RS 170, 75 ohm

• BMRM Connectors: BNC

• SRM Multimedia connectors: Metal circular (2)

Audio port

• Interface: 1 volt peak to peak into 600 ohm

• Encoding: ADPCM

• Sampling rate: 16 kbps

• Transmission delay : <150 Msec

Firmware updates

Downloaded firmware updates into Flash Rom via Async 2 port.

Power Supply

• 120-220 vac 50-60 Hz, Standard AC cord

• 24 Vdc (16-30), Metal circular connector

Mechanical

• BMRM Multimedia: 19" Rack mount, 5.25" (3RU)

• BMRM Data: 19" rack mount, 3.5" (2 RU)

• SRM: 11 H X 20W X 32L cm

• Weight: SRM 2 Kg, BMRM: 2Kg