SP LINK | Communications
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Doc #OI0003 Part #004122 Rev 04 2010
S P L I N K
Communications
C h a p t e r S e v e n
The SP PRO provides two isolated serial communications ports for monitoring and controlling the
SP PRO. Either port can be used to connect to a local PC or to connect to a modem and since the
ports can be used simultaneously, this enables the user via a local PC and the installer via a modem to
connect and discuss system operation and performance.
Each unit is supplied with suitable cables for connecting to the serial port, one, to connect from the
SP PRO to a modem and two, a “cross-over cable” to connect from the modem cable into a PC. The
modem cable can be installed into the unit under the front access cover at any time. If unsure, check
with your Selectronic Authorised Installer.
Serial Port Setup
The SP PRO serial ports can be set from 1200 to 57600 baud. Serial port 1 by default is set to 57600
and is typically used for local or Direct PC or Laptop connection. Serial port 2 defaults to 9600 for
modem connections. The PC/Modem must be set to match these parameters.
For Direct connections, the speed in SP LINK must be set to match the port. The easiest way to set the
port and speed is to use the Find SP PRO button - when pressed, SP LINK will search all serial ports
at all speeds on the PC looking for a response from a connected SP PRO. This function only works for
Direct connections.
For Modem connections the remote modem port speed must match the SP PRO port speed, the SP LINK
speed on the PC will be automatically detected by the PCs modem and can be left at default.
