
Guardian Telecom Inc. 
 
 
 
Installation and Operation 
Model HR70 
 
Page 5 
 
 
 
Figure 3 - Installation 
6.4" [163m
m]
2.7" [69mm]
TONE/PULSE
JUMPER
Gu
ardi
an Te
leco
m I
nc
.
Ca
lgar
y, C
anada
HK
SW
S/N: 
 
__
__
TON
E/
PUL
SE
HAN 
RIN-
GER
PHO
NE
LIN
E
FROM HOUSING HARNESS
TIP AND RING
GROUND
FUSE
SURGE ARRESTOR
 
Figure 4 - Wiring Connections