Tii SVM-4 Series User Manual
Tii Equipment

tii P/N: 92224501
141 Rodeo Drive
tii SVM-4 Series
Edgewood, NY 11717
Multi-Line Sitchable Voice Module
Toll Free 888.844.4720
Rev C 12/07
INSTALLATION NOTE
1. DESCRIPTION
1.1 The tii SVM-4 Series Multi-Line Switchable
Voice Module is used when porting existing
telephone numbers.
1.2 The tii SVM-4 has been designed to provide
automatic switching of a customer’s
telephony provider from Telco to Digital
Voice Service automatically after installation
when the number is ported.
1.3 The tii SVM-4 can come equipped with an
optional secondary telephone line surge
protection to enhance the Digital Phone
service reliability.
1.4 The SVM-4 should only be used for indoor
applications, if mounting outdoors the SVM-4
should be mounted in a weatherproof
housing.
1.5 The SVM-4 is powered from the Digital Voice
Service line, and switches to Digital Voice
Service after validating telephone ringing
voltage presence on this line. The green
LED will blink slowly when the SVM is
receiving power from the Digital Voice
Service Line.
1.6 The SVM-4 may be reset by using the reset
push button accessible on the side wall of
the device. The SVM-4 must be powered by
the ATA / EMTA for the reset function to
operate.
1.7 IDC rockers are used to terminate 26-22
AWG solid wire.
2. WARRANTY
2.1 See tii Warranty. If this unit fails during the
warranty period, contact tii customer service
to authorize return and return the unit
prepaid. Units that fail due to normal wear or
abuse should be discarded.
3. INSTALLATION (Line 1)
3.1 Remove the unit from the bag and
inspect it for damage. If damaged, obtain
another unit.
3.2 Locate a suitable flat, dry area to install
the unit.
3.3 Prior to installing the SVM-4 pre-drill the
(3)
mounting
location
holes
to
accommodate #8 self tapping screws
(See Figure 1).
3.4 Lift the blue rocker for the digital voice
service wires (MTA) to the full up
position. DO NOT strip wires. (See Figs
2 & 3)
3.5 Insert the Digital Voice Service wires
from
ATA/EMTA
into
wire
guides
simultaneously until they bottom-out.
While holding the wires in position,
terminate them into the MTA (Blue)
rocker by lowering it to the full DOWN
position. (See Figs 2 & 3) If the
ATA/EMTA is supplying power to the
SVM-4-0
Figure 1
Mounting Locations