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EntraGuard
Titanium Telephone Entry Controller
Installation Guide
2.0
RS-232 Serial Port
An RS-232 serial connection between the EntraGuard unit and the host computer can be done one of two ways:
•
by a direct serial connection (50 feet maximum)
•
through an external modem
2.1
Direct Serial Connection
The Keri Systems part number for this cable is KDP-552.
Figure 3: 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 4: Modem/DB-9M to Telephone Entry/TB-12 Serial Port Connection
Page 3 of 6
P/N: 01551-001 Rev. B
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