Keri Systems EntraGuard Silver Installation Guide - Manual (Page 4)

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