0 rs-232 serial port, 1 direct serial connection, 2 modem connection – Keri Systems EntraGuard Silver Installation Guide User Manual
Page 4: Entraguard, Silver telephone entry control
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EntraGuard
®
Silver Telephone Entry Control
Installation Guide
Page 4 of 7
P/N: 01552-001 Rev. B
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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