P
AGE
12
04649-1098 <90-00194>
TECHNICAL SPECIFICATIONS
DESCRIPTION
44202 MODEM (PER MODULE)
POWER REQUIREMENTS
Input Voltage
Input Current
Idle
Busy
Heat Dissipation (max)
AUDIO PORT LEVELS (600 OHMS)
XMT Carrier Level
RCV Carrier Level
RCV Path Gain
RCV Path Attenuation
DIGITAL INTERFACES
TTL/CMOS
Input Voltage
Output Current
RS-232 Receivers
Input High Voltage
Input Low Voltage
RS-232 Drivers
Output High Voltage
Output Low Voltage
Short Circuit Current
Output Resistance
Max. Load Resistance
RS-422 and RS-485 Receivers
Differential Input
Common Mode Input
RS-422 and RS-485 Drivers
Differential Output Voltage
Short Circuit Current
Max. Load Resistance
ALB AND DLB INPUTS
Operating Voltage
Disable Voltage
PHYSICAL FEATURES
Weight
Dimensions
Operating Temperature Range
VALUES
-21 to -56 VDC
@ -21 VDC
@ -24 VDC
@ -48 VDC
@ -56 VDC
120 mA
105 mA
75 mA
70 mA
135 mA
120 mA
85 mA
80 mA
@ -21 VDC
@ -24 VDC
@ -48 VDC
@ -56 VDC
9.7 Btu/Hr
9.9 Btu/Hr
14.0 Btu/Hr
15.3 Btu/Hr
-35 dBm min. to +7 dBm max.
-40 dBm min. to 0 dBm max.
24 dB
26 dB
0 to 1 V = Low; 3.4 to 5 V = High
16 mA Sink, Open Drain (high out)
+3 to +25 V
-3 to -25 V
10.5 V typical; 9 V min. w/3K ohm load
9.5 V typical w/ no load; 8 V min. w/ 3K ohm load
+45 mA max.
300 ohms min.
3K ohms
+0.2 V threshold, voltage referenced to inverting input
+12 V max., voltage referenced to ground
+4 V max., no load; +1.5 V min., 54 ohm load, ref. @ inverting output
+150 mA, Vo = Vcc; -150 mA, Vo = 0
54 ohms
0 to 1 V
3.4 to 5 V or open
9 ounces
1.4" x 6.0" x 5.6"
0° to 55° C.
