Keri Systems EntraGuard Silver Quick Start - Manual (Page 12)

EntraGuard
®
Silver Telephone Entry Control
Quick Start Guide
Page 12 of 27 P/N: 01960-001 Rev. D
5.0 Communication
The communication section handles three different, but related, topics:
• Communication between EntraGuard Silver controller and tenants
• Communication between the master EntraGuard Silver controller and the host computer for programming
• Communication between networked EntraGuard Silver/PXL-500/510 controllers
NOTE: Keri Systems recommends performing a bench test on each unit prior to installation to rule out any phone line
problems.
5.1 Between EntraGuard Silver Unit and Tenants
The telephone communication is done via a copper phone line to TB-15. Connect the TIP line to either Pin 1 or Pin 2 then
connect the Ring line to the other Pin (see Figure 13).
Figure 13: TB-15 Phone Line Wiring Connection
There are three ways of connecting the phone line for communication between the EntraGuard Silver unit and the tenants.
5.1.1 Single Phone Line for a Single EntraGuard Silver Unit
For a single EntraGuard Silver unit, connect the phone line to TB-15 on the EntraGuard Silver board (see Figure 3 on
page 3).
5.1.2 Individual Phone Lines for each EntraGuard Silver Unit on a Network
The set up for individual phone lines for each EntraGuard unit is the same as for a single phone line for a single
EntraGuard Silver controller. Each phone line is connected to TB-15 on each EntraGuard Silver board.
5.1.3 Shared Phone Line for Multiple EntraGuard Silver Units on a Network
A single phone line may be shared for communication between multiple EntraGuard Silver units and tenants. The phone
line is plugged into TB-15 on the master EntraGuard Silver unit with the phone line then going out of the TB-15 phone
plug to the next unit’s TB-15 and so on to all the networked EntraGuard units (see Figure 14 on page 13).
NOTE: Sharing a phone line for multiple EntraGuard units is limited to a maximum of 6 units per phone line.