Rs-232 Serial Port; Direct Serial Connection; Modem Connection - YeriSystems EntraGuard Installation Manual

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EntraGuard Silver Telephone Entry Control
Installation Guide
2.0

RS-232 Serial Port

Using the RS-232 serial port for communication between the EntraGuard unit and the host computer may be done one of
two ways:
• by direct connect (maximum of 50 feet)
• through an external modem.
2.1

Direct Serial Connection

The Keri Systems part number for this cable is KDP-552.
Figure 4: PC/DB-9F to Telephone Entry/TB-12 RS-232 Direct Serial Connections
2.2

Modem Connection

The Keri Systems part number for this cable is KDP-929M.
Figure 5: Modem/DB-9M to Telephone Entry/TB-12 Serial Port Connection
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