Datasheet

Fibre Channel Interface

1-20 C141-C008

(7) DEV_CTRL_CODE [2, 1, 0]

DEV_CTRL_CODES Provide Link Rate, and Power Failure Warning (PFW) to

the drive.

Table 1.14 Electric requirement for DEV_CTRL_CODE inputs

State Current Voltage

high

–20 µA <IIH < 20 µA

2.2V <VIH < 5.25V

low

–20 µA <IIL < 20 µA

–0.5V <VIL <0.7V

Table 1.15 Definition of device control codes

Value Function Support

7 1.0625 GHZ - The FC interfaces for both ports of the

drive are set to run at a link rate of 1.0625 GHZ.

Yes

6 2.1250 GHZ - The FC interfaces for both ports of the

drive are set to run at a link rate of 2.1250 GHZ.

Yes

5 4.250 GHZ - The FC interfaces for both ports of the drive

are set to run at a link rate of 4.250 GHZ.

4 to 2 Reserved No

1 Reserved for auto-negotiation of FC interface link rate. No

0 Power Failure Warning No