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Specifications
Data
Interface
RS-232C
Pin No.
2
3
5
6
7
Signal
Transmit
Data
(TXD)
Receive
Data
(RXD)
Clear
To Send (CTS)
Data
Set
Ready (DSR)
Ground
Input/Output
Input
Output
Output
Output
8
12
20
22
Data
Carrier Detect
(DCD)
High Speed/Low
Speed
Data
Terminal
Ready (DTR)
Ring
Indicator (RI)
Output
Output Option
Input
Output Option
Electrical
General
Transmit
Level
(Loop
Current
at
40
mA)
Transmit Frequency
High
Speed
:
Originate
:
Answer
Low
Speed
:
Originate
mark
space
:
Answer mark
space
Receive
Sensitivity
(No
error)
(Loop
Current
at
40
mA)
Carrier
Sensitivity
(Loop
Current
at
40
mA)
OFFHOOK DC
Resistance
(Loop
Current
at
20
mA)
12
dBm
1200
Hz
2400
Hz
1270
Hz
1070
Hz
2225
Hz
2025
Hz
-38
dBm
-
40
dBm
85
ohm
86
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