Installation; Switch Settings; Figure 5-29 Prt(1)-U( ) Etu; Table 5-21 Prt(1)-U( ) Etu Sw1 Settings - NEC ElectraElite 48 System Hardware Manual

Issue 6
5 - 48
4.10.2

Installation

When a PRT(1)-U( ) ETU is installed, a CLKG-U( ) Unit
must be installed on the MBD-U10 Unit. One PRT(1)-U( )
ETU can be installed only in slot S4 (S7000 or lower).
For S8000 or higher four PRT(1)-U( ) ETUs can be
installed in slots S3~S6 limited by 16 trunks.
4.10.3

Switch Settings

Switch SW1 is a 4-position DIP switch used to assign the
application.
shows application selection. SW1-4 is not used and
must be OFF.

Table 5-21 PRT(1)-U( ) ETU SW1 Settings

SW1–1 SW1–2
ON ON
OFF ON
OFF OFF
ON ON
ON OFF
* Nortel Specification NIS-A211-1
** Nortel Specification NIS-A233-1
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
Position 1
Position 2
Positions 3
Positions 4
Positions 5 & 6 Not Used
Position 7
Table 5-21 PRT(1)-U( ) ETU SW1 Settings
SW1–3 SW1–4
ON OFF NI-2
ON OFF 4ESS (AT&T Custom)
ON OFF AT&T 5ESS (Lucent Custom)
OFF OFF DMS-100 (Custom) *
ON OFF DMS-100 (National ISDN) **
Alarm Indications
B Channels 01~12 Status Indication
using LEDs 1~12
B Channels 13~23 Status Indication
using LEDs 1~12
CO Trunks 01~12 assigned to PRT ETU
Status Indication using LEDs 1~12
CO Trunks 13~23 assigned to PRT ETU
Status Indication using LEDs 1~12
Inspection Mode in production line
Installing Electronic Telephone Units
Electra Elite
Application