
2. 15i SERIES HARDWARE
B–63785EN/01
130
Name Specification
Data server board A1 A20B–8100–0510
The board is mounted in the wide mini slot.
CNH4
PARITTY
B
A
CD38
JNA
F–bus backplane
connector (female)
Setting pin TH1
STATUS
LED3 LED1
LED2 LED0
TPPIL
COLLED
RXLED
TXLED
Connector number Application
CNH4 Hard disk interface
CD38 Ethernet (TCP/IP) interface
LED display transition at power–on
No. LED display 0 1 2 3 Data server board state
1 STATUS j j j j Power–off state
2 STATUS J J J J Initial state immediately after power–on
3 STATUS j J J J MPU initialization completed
4 STATUS j j J J Firmware download completed
5 STATUS j j j J Control passed to the OS
6 STATUS J J J j OS PHASE 1
7 STATUS j J J j OS PHASE 2
8 STATUS J j J j OS PHASE 3
9 STATUS j j J j OS PHASE 4
10 STATUS l j j j Activation completed
2.3.5
Data Server Board A1
D Specification
D Board mounting location
D Mounting locations of
connector, LEDs, and etc.
D LED display