NEC ux5000 Hardware Manual page 334

Chapter 6 - Specifications and Parts List
Analog Ports:
Audio/Music Input
Input Impedance:
External Amplifier Input:
Audio/Paging Output
2PGDAD:
Output Impedance:
Maximum Output:
CCPU:
Output Impedance:
Maximum Output:
Relay Contacts
Configuration:
Maximum Contact Ratings:
Night Mode Relay Connection, Input
Break:
Make:
Purpose
Target Terminal
Install To
AC Adapter
6 - 22
Constant Current System (20mA / -28Vdc)
Resistance: 600 Ohm (loop)
For Polarity Reversing, Number Display, and Message Waiting: -110VDC
Ringer Signal: 16Hz/20Hz/25Hz, 55Vrms
2PGDAD Module/NTCPU Input/Output
10 Key Dial Pad Kit, Dedicated Double-Contact
082U Combination Blade
47 KOhm @ 1KHz
12dBV 5KOhm
600 Ohms @ 1 KHz
+8 dBm
600 Ohms @ 1 KHz
-3 dBm
Normally Open
24 VDC, 0.5A
120 VAC, 0.25A
48 VDC
7 mA
Added When PSA Used to Provide Dedicated Double-
Contact Dial Pad Without Backlit
IP-CTS and Enhanced IP Terminals
Enhanced Digital Terminals
Dial Pad
Not Required
Chapter 6