Hardware manual

Issue 8 Electra Elite
5 - 122 Installing Electronic Telephone Units
7.1.2 Installation
Only one ACD(8) can be installed in slot S1~S8 in any
system KSU.
7.1.3 LED Indications
7.1.4 Connectors
The ACD(8)-U( ) ETU has two connectors:
J9 Connects to the backboard
9-pin RS-232(COM1) Local Serial connector for
direct connection.
Table 5-54 ACD(8)-U( ) ETU LED Indications
LED Description On Flashing Off
LIVE ETU status Receiving power Not Used No Power
CH1 Port status Busy Not Used Idle/Not used
CH2 Port status Busy Not Used Idle/Not used
CH3 Port status Busy Not Used Idle/Not used
CH4 Port status Busy Not Used Idle/Not used
CH5 Port status Busy Not Used Idle/Not used
CH6 Port status Busy Not Used Idle/Not used
CH7 Port status Busy Not Used Idle/Not used
CH8 Port status Busy Not Used Idle/Not used
MB MB Switch status ON Not Used OFF
BIOS BIOS Error status BIOS Error Not Used No error
BCLR Application status Red DOS started
(ACD not ready)
Green ACD running
Not Used Idle
If BCLR LED is orange, check error type on console screen. After error is corrected, LED
automatically changes to green. Do Not connect link between console and ETU until
BCLR turns green during booting.
HD Compact Flash status Not Used Compact
Flash active **
Compact
Flash inactive
Do not reset the ETU while the HD LED is flashing.