HP AD278A and AD279A PCI Multiplexer Support Guide, November 2008

A Technical Specifications
This appendix provides specification details for AD278A PCI MUX 8-port serial adapter, AD279A
PCI MUX 64-port serial adapter, port modules, and cables.
This appendix addresses the following topics:
“Card Specifications” (page 29).
“AD280A/AD281A Port Module Specifications” (page 30).
“Cable Requirements and Specifications” (page 31).
Card Specifications
This section provides specification details for AD278A PCI MUX 8-port serial adapter and AD279A
PCI MUX 64-port serial adapter.
HP AD278A PCI MUX 8-port Serial Adapter Specifications
Table A-1 AD278A PCI MUX 8-port Serial Adapter Specifications
Power Requirements
960 mA typical+5 V +/- 5%
80 mA typical+12 V +/- 5%
80 mA typical-12 V +/- 5%
Card Type and Speed
PCI 33MHz
Environmental Requirements
10 to 55 degrees CAmbient Temperature
5% to 90%Relative Humidity
30 CFM forcedAir Movement
0 to 12,000 feetAltitude
Serial Interface Surge Suppression
13 volts (TxD and RxD)Threshold voltage:
13 volts (control lines)
< 10 nSResponse Time
Mechanical Requirements
6.875 inches (17.46 cm)Length
.5 inches (1.270 cm)Width
4.2 inches (10.668 cm)Height
6.1 ounces (172.93500 gram)Weight
Table A-1 lists the AD278A PCI MUX 8-port serial adapter specifications.
Card Specifications 29