Radio Shack TRS-80 Modem II - Page 31

6/
Specifications
Receive
Fequencies
Transmit Frequencies
Transmit Level
Receive Sensitivity
Baud
Rate
Operating
Temperature
Electrical
Requirements
Size
Operating Modes
Test Modes
A.
Answer
Mark
1270 Hz
Space
1070 Hz
B.
Originate
Mark
2225 Hz
Space 2025
Hz
A.
Answer
Mark 2225
Hz
Space
2025 Hz
B.
Originate
Mark
1270 Hz
Space 1070
Hz
-lOdBm
+/-
1 dB
-40
dBm
—
300
55 F
—
85 F
(13C
—
29 C)
15
VAC
@
600ma
supplied by
UL listed
adapter
6.5"
x
7.5"
x
2"
(16.5
x 19.1
x5.1 cm)
Manual
Answer
Manual
Originate
Auto
Answer
Auto
Originate
Local Loopback
Remote Loopback
25