HP AD278A and AD279A PCI Multiplexer Support Guide (Edition 1), September 2006

Technical Specifications
AD280A/AD281A Port Module Specifications
Appendix A
39
AD280A/AD281A Port Module Specifications
Table A-3 lists the AD280A/AD281A port module specifications.
Table A-3 AD280A/AD281A Port Module Specifications
Power Requirements
The HP 16-port RS-232 Port Modules (RJ45 and
DB25) receives power supply from the EBI bus that
connects it to the adapter.
Each module draws 0.7 amps typically.
Power from the EBI bus is sufficient to power 2 port
modules connected together. The third and fourth
port modules require the external power supply, part
number AD280-2001A (currently unavailable).
Environmental Requirements
Ambient Temperature 10 to 55 degrees C
Relative Humidity 5% to 90%
Altitude 0 to 12,000 feet (365.76
cm)
Serial Interface Surge Suppression
Threshold Voltage 13 V
Response Time < 10 nS
Mechanical Requirements
RJ-45 Model DB-25 Model
Length 12 inches (30.480 cm) 12 inches (30.480 cm)
Width 7 inches (17.780 cm) 7 inches (17.780 cm)
Height 2.25 inches (5.715 cm) 4.2 inches (10.668 cm)
Weight 2 Pounds (907.20
gram)
4 Pounds (1814.40
gram)