### Device Names

Use the information on this page to determine the names of the devices created for each Digi adapter supported by the OpenServer driver.

#### DataFire RAS PTE

DataFire RAS PTE devices are named according to the following conventions:

/dev/ttyhb_p

ttyh | Base name
b | Adapter number (1-8)
p | Port number: (01-24 for PT1; 01-48 for PT2; 01-30 for PE1; 01-60 for PE2)

##### Example:

Port 4 of Adapter 2 is /dev/ttyh2_04.

#### DataFire RAS B4STU

DataFire RAS B4STU devices are named according to the following conventions:

/dev/ttyhbp

ttyh | Base name
b | Adapter number (1-8)
p | Port Identifier (a-h, A-H) Lower case letters denote non modem control ports. These ports do not require DCD to be asserted before they can transmit data. Upper case letters denote modem control ports. These ports require DCD to be asserted before they can transmit data.

##### Example:

Port 4 of Adapter 2 is /dev/ttyh2d. The same port with modem control is /dev/ttyh2D.

#### AccelePort RAS 4/8

AccelePort RAS 4/8 devices are named according to the following conventions:

/dev/ttyhbp

ttyh | Base name
b | Adapter number (1-8)
p | Port Identifier (a-h, A-H) Lower case letters denote non modem control ports. These ports do not require DCD to be asserted before they can transmit data. Upper case letters denote modem control ports. These ports require DCD to be asserted before they can transmit data.

##### Example:

Port 4 of Adapter 2 is /dev/ttyh2d. The same port with modem control is /dev/ttyh2D.