Figure 42 Nsl Controller Telephone Lines - Mircom TX3 Series Installation And Operation Manual

Line 1
T R
Line 2 Line 3
T R T R
1
2 3
Telephone Lines 1 to 5
Figure 42. NSL Controller Telephone Lines
To test the TX3-8M-NSL Relay Control unit
1.
2.
3.
4.
5.
Note:
6.
76 (119) Telephone Access System Installation and Operation Manual
LT-969 Copyright January 2017
Line 1
Line 5
T R
Line 4
T R
5
TX3 Lobby Panel Main
4
Controller Board
Connect a telephone to the TX3-8M-NSL Relay Control unit telephone
terminal block (see Figure 40).
Pick up the telephone. A dial tone is heard.
Dial *RRRR#, where RRRR is the relay code. A resident line LED relay
card light turns on.
Hang up. The resident line LED relay card light turns off. The TX3-8M-
NSL Relay Control unit is operational.
Perform the same test for all of the relay codes.
Resident telephones associated with the relay card will ring. If the
resident picks up their telephone a connection will be established.
Disconnect the telephone and procedure with the installation.
NSL Relay Cabinet Installation and Wiring
R
T
TX3-NSL-8M Relay
Control Unit
Version 3.7