Nortel Meridian 1 Description page 89

Table 11 lists the input and output requirements for the ADO external power
supply.
Table 11
I/O requirements for ADO external power supply
North American version
NPS50220-03L5
Input:
Output:
Japanese version
NPS50220-03L8
Input:
Output:
European version
NPS50220-03L5
Input:
Output:
Multi-output external power supply
(A0336823), UL listed and CSA approved
57–63 Hz 115–132 V ac
+5 V dc, 1.0 A (pin 3 for supply, pin 2 for return)
+12 V dc, 200 mA (pin 6 for supply, pin 1 for return)
–12 V dc, 200 mA (pin 4 for supply, pin 1 for return)
Multi-output external power supply
(A0336891), Japan Standard ("T" Mark)
47–63 Hz 85–115 V ac
+5 V dc, 1.0 A (pin 3 for supply, pin 2 for return)
+12 V dc, 200 mA (pin 6 for supply, pin 1 for return)
–12 V dc, 200 mA (pin 4 for supply, pin 1 for return)
Multi-output external power supply
(A0336166), conforming to NPS50561 general
requirements and UL1012
57–63 Hz 200–240 V ac
+5 V dc, 1.0 A (pin 3 for supply, pin 2 for return)
+12 V dc, 200 mA (pin 6 for supply, pin 1 for return)
–12 V dc, 200 mA (pin 4 for supply, pin 1 for return)
Meridian 1 Telephones Description and Specifications
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