Hardware manual

Electra Elite Issue 8
System Hardware Manual 5 - 47
4.8.2 Installation
A maximum of 16 DID(4)-U( ) ETUs can be installed in
slots S1~S8 in any system KSU.
4.8.3 LED Indication
4.8.4 Connectors
The DID(4)-U( ) ETU has one connector:
CN1 Connects to the backboard.
4.8.5 Connections
Table 5-18 DID(4)-U( ) ETU LED Indications
LED Description On Flashing Off
LIVE ETU status Operation stopped
(Power On)
Normal Operation No Power
LED 1 Line 1 status Busy Not Used Idle
LED 2 Line 2 status Busy Not Used Idle
LED 3 Line 3 status Busy Not Used Idle
LED 4 Line 4 status Busy Not Used Idle
Figure 5-27 DID(4)-U10 ETU Connections
MDF
T 1
R 1
T 2
R 2
T 3
R 3
T 4
R 4
T
R
T
R
T
R
T
R
CO
Demark