specifically for emergency phone line
applications, the TC8938 receives and broadcasts
a 2-wire analog POTS signal to up to 7 remote
phones. The initiator of the call can have a
conversation with up to 7 remote users on the
same phone line.
provides one master FXS port for initiating the
emergency phone call. It provides 7 FXS
extension ports, each one connecting to 2-wire
analog phones. Each remote port provides its own
ring generator that rings a conventional 2-wire
LEDs for Tx and Rx are included for each
channel. Additional LEDs are provided for Alarm,
Power A, Power B, and Vcc. Connectors are RJ-11
Female. Power is 12VDC standard, optional 24VDC
or 115/230VAC with an external power cube.
The TC8938R PC
Card version requires the TCRM191 or TCRM195 19"
Rackmount Card Cage. High and extreme
temperature versions (-20°C to 70°C, -40°C to
80°C), are available for harsh environments.