4 Channel FO Modem Interface Adapter -- Model HFS 1181
from S.I. Tech, Inc.

This 4 channel fiber optic modem interface adapter is for use with the Series 1000 multiplexer. Up to 12 cards may be placed in each Series 1000 multiplexer to provide for a total of 48 full duplex channels. [See More]

  • Ports / Interfaces: Serial; ST (optional feature); SMA
  • Protocol / Network: RS 232
  •  Transceiver Type: Board
  • Number of Ports: 4
Silicon DAA -- Si3034
from Silicon Labs

Silicon Labs is the market leader for Silicon DAAs. Our designs are proven, robust solutions that ensure global compliance with a single board design. Globally-programmable silicon direct access arrangements provide the electrical isolation between the wireline device and the telephone line needed... [See More]

  • Ports / Interfaces: Serial
  • Technology: IP Telephony; Wireless
  •  Transceiver Type: Chip
  • Operating Temperature: 32 to 158