Hardware manual

Issue 8 Electra Elite
5 - 68 Installing Electronic Telephone Units
4.13.2 Installation
A maximum of 16 TLI(2)-U( ) ETUs can be installed in
Slots S1~S8 in any system KSU.
4.13.3 Switch Settings
Refer to Table 5-25 TLI(2)-U( ) ETU Default Switch
Settings.
4.13.4 LED Indications
4.13.5 Connectors
The TLI(2)-U( ) ETU has one connector:
CN1 Connects to the backboard
Table 5-25 TLI(2)-U( ) ETU Default Switch Settings
Switch Setting Description
SW101 When lines provided by this unit
are used for back-to-back
connections, set to Type V.
When connection is to a Central
Office, set to Type I.
Default: Type V
Switch Type I
or Type V for
Line 1
SW201 When lines provided by this unit
are used for back-to-back
connections, set to Type V.
When connection is to a Central
Office, set to Type I.
Default: Type V
Switch Type I
or Type V for
Line 2
Table 5-26 TLI(2)-U( ) ETU LED Indications
LED Description On Flashing Off
LED 1 ETU status Operation stopped
(Power On)
Normal Operation No Power
LED 2 Line 1 status Busy Not Used Idle
LED 3 Line 2 status Busy Not Used Idle