Motorola MTP850 Ex Product Information Manual page 85

PEI Characteristics
14.1.1 Baud Rate
The terminal supports the standard PEI baud rates specified in [Ref 22] from 300 bps to 57,600 bps.
The auto baud rate detection mechanism is not supported.
14.1.2 PEI Flow Control
The terminal provides hardware flow control when the data traffic flows in the direction TE2 to MT2.
The flow control will use the RS232 request to send (RTS) and clear to send (CTS) lines.
14.2 PEI Link Layer
The terminal supports AT commands and PPP [Ref 18] as a link layer between the TE2 and MT2.
PPP negotiation will use unnumbered mode only.
The AT phase is compatible with the Windows
March 2009 Chapter 2 - MTP850 Ex/MTP810 Ex Product Information Manual
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operating system standard modem type.
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