Enc Unit Rkak - Hitachi AMS 2100 Hardware Manual

ENC unit RKAK

The ENC unit is mounted in the expansion unit. It is the interface between
the expansion unit in which it is mounted and the controller in a base unit
or the ENC unit in another expansion unit. The ENC unit is shown in
Figure 4-24.
Item



Number of blinks
6 (slow)
1
1 (fast)
2 (fast)
3 (fast)
4 (fast)
ON
1.When blinking fast, the LED is on for 400ms and off for 200 ms for each fast blink.
After the number of fast blinks has completed, the LED id off for one second.
4–32
Figure 4-24: Expansion Unit ENC Unit
Table 4-24: Expansion Unit ENC Unit
Description
ENC Port (IN) from either a
base unit or an expansion unit
or high-density expansion unit.
Shown with an ENC cable
connected to it.
Lock Lever
ENC Port (OUT) to a base unit,
expansion unit, or high-density
expansion unit.
Table 4-25: LOC LED
Voltage on the control unit is abnormal. (Reset of the control unit is
not canceled)
SRAM error.
ENC hard error.
Firmware error in flash memory.
CUDG error in ENC.
Boot section error in the ENC firmware, a RAM error, or ENC hard
configuration error.
Hardware components
Hitachi AMS 2100/2300 Storage System Hardware Guide
Item Description
Alarm LED
(red)

This LED indicates that the ENC unit
has failed.
LOC LED

(orange)
See Table 4-25
Description
below.