P
AGE
14 of 30
M
ODEL
10959-00
X
W
ALL
-M
OUNT
A
UDIO
M
ESSENGER
I
NTERFACE
42004-344i
d:\standard ioms - current release\42004 instr. manuals\42004-344i.doc
01/06
TB6 - Power Connections
The AMI requires a dc power supply. The dc power supply voltage must be between 12 and 24 V dc.
TB6 is used for power connections. Please refer to the TB6 terminal block assignment chart and Figure 7
below.
Figure 7. Power connections at TB6
Terminal Labeled
Description
Function
TB6-1
+
Power (+)
12 to 24 V dc power supply positive terminal
TB6-2
-
Power (-)
12 to 24 V dc power supply negative terminal
TB6-3
Ground
Earth ground
Telephone Line Connection
For AMI units equipped with a Telephone Interface board 69501-xxx (Models 10959-003 and
10959-004), connections are made to a standard PBX analog station port, or directly to a central office
(CO) telephone line.
For the Models 10959-003 and 10959-004, the incoming telephone line must be connected to the tip (E1)
and ring (E2) of the Registered Line Module (SPRLM-3). A telephone cord with a modular RJ-11 plug is
provided.
N
OTE
:
The telephone interface requires a minimum loop current of 25 mA.