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TECHNICAL SPECIFICATIONS
POWER REQUIREMENTS
Input Voltage
Input Current (+5%; add 18mA when 44210 is e/w
49210)
Heat Dissipation (add 0.4 Btu when 44210 is e/w
49210)
2-Wire Line XMT Carrier Output Level (600 ohms)
Audio Output Level (median, 600 ohm termination)
2-Wire Line RCV Carrier Input Level (carrier detect)
DIGITAL INTERFACE LEVELS
Input Voltage
Input Current
Receivers
Differential Input Threshold Voltage
Common Mode Input Voltage
Drivers
Differential Output Voltage
Short Circuit Current
Maximum Load Resistance
RS-232 (pins 46, 48, 52, 54, 56)
TTL/CMOS (pin 22)
RS-232 (pin 16)
TTL/CMOS (pin 27)
44210 only
44210 w/ 49210 Subassembly
PHYSICAL MEASUREMENTS
With or without 49210 Subassembly
Operating Temperature Range
44210/49210-0798 <90-00025>
DESCRIPTION
AUDIO LEVELS
TTL/CMOS
RS-422
MPI INPUTS
MPO OUTPUTS
WEIGHT
VALUE
-21 to -56 VDC
152mA max. @ -21 VDC
140mA max. @ -24 VDC
97mA max. @ -48 VDC
91mA max. @ -56 VDC
10.4 Btu/Hr max @ -21 VDC
10.9 Btu/Hr max @ -24 VDC
15.1 Btu/Hr max @ -48 VDC
16.5 Btu/Hr max @ -56 VDC
-10.3 dBm, +1 dB
-18 dBm, +1 dB
0 to -36 dBm
0 to 1.5V Low; 3.0 to 5.0V High
20mA Source at 2.5V Minimum Output
20mA Sink at 0.5V Maximum Output
+0.2V, referenced to ground
+7V, referenced to ground
+4V no load; +2V min., 100 ohm load,
referenced at inverting output.
150mA max.
100 ohms
Ground to +1.5VDC (active);
-21 to -56VDC (inactive)
Ground to +1.5VDC (active);
Open or +3.0 to +5.0VDC max.
+3 to +12VDC (active)
-3 to -12VDC (inactive)
Ground (active); Open or +5VDC max.
11.5 ounces
17.6 ounces
1.4" x 6.0" x 5.6"
0° to 55° C.
P
21
AGE
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