Comtech EF Data SDR-54A - Manual (Page 28)

SDR-54A Satellite Demodulator Revision 4
External Connectors MN/SDR54A.IOM
3.1.4.3 Data Out Connector (J4)
Refer to Table 3-7 for data interface connector specifications.
Table 3-7. Data Interface Connector (EIA-232)
25-Pin D Sub
Standard EIA-432 EIA-530
DB25M (J4)
Pin # Signal Name
DB25M (J4)
Pin #
3 RX Data 3
17 RX Clock 17
8 CD/RR 8
N/A DM 6
7 SIG GND 7
N/A SHLD GND 1
Note: Table 3-7 reflects non-DEMUX operation.
3.1.5 Power Entry
3.1.5.1 AC Option
The AC power is supplied to the demodulator by a standard, detachable, non-locking,
3-prong power cord. Refer to Table 3-8 for the required specifications.
Table 3-8. AC Option
Parameter Specification
Connector Type I.E.C.
Input Power 40W maximum.
Input Voltage 90 to 132VAC, or 175 to 264 VAC. Unit switches
ranges automatically.
Fuse Protection
(internal on power supply) 3.15A slo-blo.
Line and neutral fusing.
5mm type fuse.
3–6