Keri Systems BioPointe Users Manual - Manual (Page 61)

Communicating with the BioPointe
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7.4 Communication using Modem
Communication using the modem is supported in the BioPointe for one device as well as with multiple
devices. If the modem is connected to only one device, the signal type is RS232 in nature. The SW2 setting
for communication type has to be "Modem" for this device.
If the modem is connected to multiple devices in a multi-drop network, the signal type will be either RS485
or RS422 depending on which is chosen.
Only one device can handshake with the modem. As such, one and only one device has to be configured as
"Modem" to be the communication type, while the remaining will be either RS485 or RS422.
The connection setup for communication using the modem is described in more details in the Appendix.