Meridian Nortel 1 Option 11C Mini Installation Manual page 34

Page 34 of 332 Chapter 2 — Identifying the Option 11C Mini equipment
Table 4
North American power supply DIP switch settings
Ringing Frequency (Hz)
20 25
Switch
Setting
1 ON
2 ON
Figure 5
Front of chassis
DIP switch
settings
553-3021-209 Standard 3.00
In North America, usage of the high voltage Message Waiting Lamp is
optional and requires -150V when enabled. The following table shows the
settings for 20Hz, 86V and the Message Waiting Lamp is disabled.
Ringing Amplitude (Vrms)
50
Switch
Setting
3
4
5
Note: Set the dip switches before the system powers up.
Figure 5 shows the power switch, power status indicator, and DIP switch
settings.
Power status
indicator
April 2000
70 75 80
Power
switch
Message Waiting Lamp (VDC)
86 -120
Switch
Setting
ON 6
ON 7
ON 8
-150 Disable
NOT USED
ON
ON