Guardian Telecom Inc.
Installation and Operation
Model CIR-41
Page 7
Engineering Specifications
E
LECTRICAL
P
ERFORMANCE
A
UDIBLE
R
ANGE
F
REQUENCY
R
ESPONSE
300
–
3400
H
Z
T
RANSMIT
O
BJECTIVE
L
OUDNESS
R
ATING
(TOLR) -38
+/-
3
dB
R
ECEIVE
O
BJECTIVE
L
OUDNESS
R
ATING
(ROLR) T
YPICAL
50
+/-
3
dB
S
IDE
T
ONE
O
BJECTIVE
L
OUDNESS
R
ATING
(SOLR) T
YPICAL
11
+/-
3
dB
R
INGER
O
UTPUT
75
dB
M
AX
FCC
R
INGER
E
QUIVALENCE
0.8B
S
ET
I
MPEDANCE
600
OHMS
N
OMINAL
M
AXIMUM
L
OOP
15,000
FT
(4,600
M)
OF
22
AWG
C
OPPER
E
LECTRICAL
R
EQUIREMENTS
R
INGER
S
ENSITIVITY
40
–
100
V,
16
–
25
H
Z
L
INE
V
OLTAGE
24
–
56
VDC
L
OOP
C
URRENT
20
-
120
M
A
C
ONNECTION
M
ETHOD
T
ERMINAL
S
TRIP OR
RJ11
C
ONNECTOR
E
NVIRONMENTAL
T
EMPERATURE
-40
O
TO
+60
O
C
(-40
O
TO
+140
O
F)
H
UMIDITY
0
TO
95%
RH
D
USTPROOF
F
ULL
E
NCLOSURE
G
ASKET
M
ECHANICAL
H
OOK
S
WITCH
(C
RADLE
S
WITCH
)
L
IFE
>1
000
000
O
PERATIONS
B
ODY
A
ND
F
ACEPLATE
C
ONSTRUCTION
16
G
AUGE
S
TEEL
,
Z
INC
D
ICHROMATE
P
LATED
A
ND
P
OWDER
C
OATED
D
IMENSIONS
(H
X
W
X
D) 9
X
5
X
5.2
INCHES
(229
X
127
X
132
MM
)
N
ET
W
EIGHT
5
LBS
(2.3
KG
)
H
ANDSET
M
ATERIAL
H
IGH
I
MPACT
ABS
M
ICROPHONE
N
OISE
R
EDUCING
E
LECTRET
O
PTIONAL
M
ICROPHONE
N
OISE
C
ANCELING
D
YNAMIC
R
ECEIVER
H
EARING
A
ID
C
OMPATIBLE
S
TANDARD
M
OUNTING
V
ERTICAL
W
ALL
W
IRING
A
CCESS
R
EAR
O
PENING
1.5
X
1.5
I
NCHES
(
38
X
38
MM
)
H
ARDWARE
M
ATERIAL
S
TAINLESS
S
TEEL
Summary of Contents for CIR-41
Page 11: ......
