Hardware manual

Electra Elite Issue 8
System Hardware Manual 5 - 49
When channels are assigned to ANI, the DTI-U10
supports Feature Group D incoming only signaling using
System Software S3000. The DTI-U20 supports Feature
Group D incoming MF/outgoing DTMF signaling using
System Software S4500 or higher.
Only the DTI-U30 can support the K-CCIS feature with
point-to-point E&M Tie lines. System Software S7000
or higher is required.
4.9.2 Installation
When a DTI-U( ) ETU is installed, a CLKG-U( ) Unit must
be installed on the CPUB( )-U( ) Unit.
A maximum of three DTI-U( ) ETUs can be installed in
Slot S1 or S4 in the B64-U10 KSU or Slot S1 of the first
expansion KSU in the system (S7000 or lower).
Using S8000 or higher, a maximum of eight DTI-U( )
ETUs can be installed in any interface slot in the system,
limited by 64 trunks.
4.9.3 Switch Settings
Refer to Table 5-19 DTI-U( ) ETU Default Switch Settings.
Table 5-19 DTI-U( ) ETU Default Switch Settings
Switch Setting Description
SW1–1 On: Indicates channel alarm
or loopback status.
Off: Indicates channel is busy
or idle (Default)
Used to assign LED
Indications
SW1–2 On: Loopback on
Off: Loopback off (Default)
Switches Loopback on
and off
SW1–3 On: DTE Software Loopback
in the DTI ETU)
Off: Line Loopback to CO
(Default)
Sets Loopback
This switch is active only
when SW1-2 is On.
SW1–4 On: Test Mode
Off: Normal Operation
(Default)
Switches between normal
operation and test mode
SW1–5 N/A N/A
SW1–6 N/A N/A
SW2 N/A Resets the DTI ETU