Hardware manual

Issue 8 Electra Elite
5 - 130 Installing Electronic Telephone Units
7.3.3 Switch Settings
Default switch settings are shown in the following table.
7.3.4 LED Indications
Table 5-58 CCH(4)-U( ) ETU Default Switch Settings
Switch Setting/Description
SW1 Momentary Switch to reset the CCH ETU.
When this switch is pressed, all K-CCIS users connected
to the CCH ETU are interrupted. Use this switch only
after all other options have failed.
SW2–1 Off: Normal Operation (Default)
On: Test Mode
SW2–2 Off: Boot from Flash Memory (Default)
On: Boot from E-PROM (IC30)
SW2–3 Off: Normal Operation (Default)
On: Test Mode
SW2–4 Off: Watch Dog Timer On (Default)
On: Watch Dog Timer Off
Table 5-59 CCH(4) LED Indications
LED Description On Flashing Off
1 Link status for CCH1 Layer 2: Up Not Used Layer 2: Down
2 Link status for CCH2 Layer 2: Up Not Used Layer 2: Down
3 Link status for CCH3 Layer 2: Up Not Used Layer 2: Down
4 Link status for CCH4 Layer 2: Up Not Used Layer 2: Down
5 Link status for CCH1 Data sent/received Not Used Idle
6 Link status for CCH2 Data sent/received Not Used Idle
7 Link status for CCH3 Data sent/received Not Used Idle
8 Link status for CCH4 Data sent/received Not Used Idle
9 CCH status Alarm Normal
Operation
Not Operating
10 LIVE Operation stopped
(Power still on)
Normal
Operation
No Power