Telephone Circuits
2.6
Telephone Circuits
Provision to connect two independent telephone lines is available via two telephone jacks labeled PH1 (Primary)
and PH2 (Secondary). Telephone line control/command is possible via double line seizure as well as usage of an
RJ31X style interconnection. (RJ31X jacks must be ordered separately).
CAUTION: It is critical that the 411UDAC be located as the first device on the incoming telephone circuit to
properly function.
Wiring Phone Jacks
FIGURE 2-11:
411UDAC
28
(Primary Lines)
Incoming Telco
Phone Lines
Green Wire
Tip
Red Wire
Ring
Primary Phone Line PH1
411UDAC
Tip
Ring
Ring
To Premises Phone
Tip
Note: Shorting bars
inside RJ31X Jack
removed during
male plug insertion
7 foot Cable (MCBL-7)
Not supplied - Order
Separately
(2 required)
Secondary Phone Line PH2
Male Plug
Connectors
Female
Connectors
Document #51073
Rev. D 12/09/2008
(Secondary Lines)
Incoming Telco
Phone Lines
Green Wire
Red Wire
Ring
To Premises Phone
Tip
P/N 51073:D