One end is the DB9 male connector, and the other end is attached with two male BNC connectors. The characteristic
impedance of the cable is 75Ω
Figure 1-27: Non-balanced cable
The cables are customer supplied. For the use of cables, see Chapter 6.
SIC-8A Interface Card
SIC card model: SIC-8A
Image and Indicators
The following figure shows the image of an 8-port asynchronous interface card.
Figure 1-28 SIC-8A
The SIC-8A is a Type A SIC, which can be inserted in a slot marked with “A”
The interface card includes one SCSI DB68 connector and eight asynchronous interfaces. It includes one RDY indicator,
and eight ACT indicators.
The following table describes panel indicators:
Table 1-25 LED Indicators on the SIC-8A Card
Indicator
Status
Meaning
ACT
Blinking
Data is being transmitted.
Off
No data is being transmitted.
RDY
On
Initialization completed.
Off
Initialization failed.
Features
The following table describes the basic features:
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