"Cisco Rolled X1" and "Cisco Straight X2"

Hi Any one can explain two terms? -- "Cisco Rolled X1" and "Cisco Straight X2"
The Straight means straight cable?  Thank you
Here is where i got the two terms:
https://opengear.zendesk.com/hc/en-us/articles/216372163
eemoonAsked:
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Fred MarshallPrincipalCommented:
This is for the RJ-45 usually labeled "console" and connects to a PC with a serial port.  These days, serial ports are unusual on PCs so I use a USB to serial converter.  Then one can see the converter as being on COM1, COM2, etc. and can be changed in Device Manager.

The normal serial port connector is a DB-9 and the pinout for a serial port is standard for these.

The linked diagram on the opengear page shows all the pinouts for each type you mention.  
https://opengear.zendesk.com/hc/en-us/articles/216372063-RJ45-serial-pin-out-options-and-diagrams
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eemoonAuthor Commented:
Thank you for your fast reply.
Can we say this "Cisco straight" means straight cable? if so, the cable can be used to connect Opengear ( for example, IM4216) with router or switch?
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