Guardian Telecom
Installation and Operation
DTR/DTT-VoIP Series Telephones
Page 17
10. Specifications
Electrical Performance
R
INGER
O
UTPUT
>80 dB
M
ICROPHONE
N
OISE
R
EDUCING
R
ECEIVER
H
EARING
A
ID
C
OMPATIBLE
Category
E
THERNET
I/F
10/100
MBPS
P
ROTOCOL
SIP
RFC
3261
C
OMPATIBLE
P
OWER
I
NPUT
:
M
ETHOD
#1
M
ETHOD
#2
802.3AF
C
OMPLIANT
P
O
E
S
WITCH OR
P
OWER
I
NJECTOR
24VDC
@
1A
P
OWER
A
DAPTER
CODECS
S
UPPORTED
G711,
A-
LAW AND µ
-
LAW
G722.1
(SIREN7)
G722.2
(AMR-WB)
G729.1
(G729J
AND
G729EV)
R
ELAY
C
ONTACT
F
USE
P
ROTECTED TO
1A
Environmental
I
NGRESS
P
ROTECTION
R
ATING
IP66
O
PERATING
T
EMPERATURE
-22
O
TO
+140
O
F
(-30
O
TO
+60
O
C)
S
TORAGE
T
EMPERATURE
-58
O
TO
+176
O
F
(-50
O
TO
+80
O
C)
H
UMIDITY
0
TO
95%
RH
D
USTPROOF
F
ULLY
G
ASKETTED
E
NCLOSURE
Mechanical
H
OOK
S
WITCH
(C
RADLE
S
WITCH
)
L
IFE
>1
000
000
O
PERATIONS
H
OUSING
M
ATERIAL
G
LASS
F
ILLED
P
OLYESTER
(C
ARBON
L
OADED
)
H
ANDSET
M
ATERIAL
G
LASS
F
ILLED
P
OLYESTER
(C
ARBON
L
OADED
)
D
IMENSIONS
(H
X
W
X
D)
W
ALL
M
OUNTED
11.1
X
9.7
X
6.2”
(282
X
246
X
158
MM
)
N
ET
W
EIGHT
8.7
LBS
(3.95
K
G
).
S
HIPPING
D
IMENSIONS
16.0
X
10.5
X
9.5”
(407
X
267
X
242
MM
)
S
HIPPING
W
EIGHT
10.5
LBS
(4..8
K
G
).
S
TANDARD
M
OUNTING
D
ESK OR
W
ALL
W
IRING
A
CCESS
½”
NPT
H
ARDWARE
M
ATERIAL
S
TAINLESS
S
TEEL
C
OMPLIANCE
FCC
P
ART
15,
C
LASS
A
ICES-003
C
LASS
A
IEC
61000-6-2:
2005
60950-1
CISPR
22:
2008
W
EATHERPROOF
E
NCLOSURE
4X
/
IP66
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may
not cause harmful interference, and (2) this device must accept any interference received, including interference that may
cause undesired operation.