Issue 6
Electra Elite
5 - 44
Installing Electronic Telephone Units
4.8.2
Installation
When a PRT(1)-U10/20 ETU is installed, a CLKG-U10
Unit must be installed on the CPUB( )-U10 ETU.
The PRT(1)-U10/20 ETU (3 maximum) can be installed in
slots S1 and S4 of the basic B64-U10 KSU and Slot S1 of
the first expansion KSU in the system.
4.8.3
Switch Settings
SW1, a 4-position DIP switch, assigns the application.
Refer to
Table 5-8 PRT(1)-U10/20 ETU SW1 Settings
.
SW1-4 is not used and must be OFF.
Switch SW2 is an 8-position rotary switch that can be set
even during operation. A small flat screwdriver can be
used to set positions as follows:
Position 0
Alarm Indications
Position
1
B Channels 01~12 Status Indication
using LEDs 1~12
Position
2
B Channels 13~23 Status Indication
using LEDs 1~12
Positions 3
CO Trunks 01~12 assigned to PRT ETU
Status Indication using LEDs 1~12
Positions 4
CO Trunks 13~23 assigned to PRT ETU
Status Indication using LEDs 1~12
Positions 5 & 6 Not Used
Position 7
Inspection Mode in production line
Table 5-8 PRT(1)-U10/20 ETU SW1 Settings
SW1–1
SW1–2
SW1–3
SW1–4
Application
ON
ON
ON
OFF
NI-2
OFF
ON
ON
OFF
4ESS (AT&T Custom)
OFF
OFF
ON
OFF
AT&T 5ESS (Lucent Custom)
ON
ON
OFF
OFF
DMS-100 (Custom) *
ON
OFF
ON
OFF
DMS-100 (National ISDN) **
*
Nortel Specification NIS-A211-1
** Nortel Specification NIS-A233-1
Summary of Contents for Electra Elite 192
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Page 74: ...Issue 6 Electra Elite 1 22 Introduction ...
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