P
AGE
12
44214-0898 <90-00005>
TECHNICAL SPECIFICATIONS
CONTINUED
. . .
DESCRIPTION
POWER REQUIREMENTS
Input Voltage
Input Current
@ -21 VDC
@ -24 VDC
@ -48 VDC
@ -56 VDC
Maximum Heat Dissipation
@ -21 VDC
@ -24 VDC
@ -48 VDC
@ -56 VDC
HARDWARE STANDARDS
Physical Size
Weight
Operating Temperature
AUDIO PORT LEVELS (600 OHM)
XMT Carrier Level
RCV Carrier Level
DIGITAL INTERFACES
TTL/CMOS
Input Voltage
Output Current
RS-232
Receivers
Input High Voltage
Input Low Voltage
Drivers
Output High Voltage
Output Low Voltage
Short Circuit Current
Output Resistance
Maximum Load Resistance
RS-422 & RS-485
Receivers
Differential Input
Common Mode Input
Drivers
Differential Output
Short Circuit Current
ALB & DLB Inputs
Operating Voltage
Usable Voltage
VALUE
-21 to -56 VDC
114 mA
100 mA
48 mA
45 mA
8.9 Btu/Hr
8.9 Btu/Hr
9.0 Btu/Hr
9.4 Btu/Hr
1.4"H x 6.0"L x 5.6"W
8.14 ounces
0° to 55° C.
-40 dBm min. to 0 dBm max.
-40 dBm min. to 0 dBm max.
0 to +1V = Low; +3.4 to +5V = High
6mA Sink
+3 to +25V
-3 to -25V
+10.5V typ.; +5V min. (3K ohm load)
-9.5V typ. (no load); -5V min. (3K ohm load)
+30 mA max.
300 ohms min.
3K ohms
+0.2V threshold; voltage ref. to inverting input
+12V max.; voltage ref. to ground
+4V max. (no load)
+1.5V min. (54 ohm load at inverting output)
180 mA V54 = VCC
-180 mA Vo = -7V
500 mA Vo = +17V
0 to +1V
+3.4 to +5V
T
ECHNICAL
S
PECIFICATIONS
; 44214 4-W
IRE
M
ODEM
