KX-NS500RU (serv.man2) - Panasonic PBX Service Manual (repair manual). Page 6

6

*1 Except the 19-inch rack mounting equipment

Main CPU

Cortex A8 600 MHz

Power Input

100 V AC to 130 V AC: 2.2 A/200 V AC to 240 V AC: 1.3 A;50 Hz/60 Hz

Power Consumption (when fully mounted)

110 W

External Backup Battery

External battery port is not supported.

Memory Backup Duration

7 years

Dialling  

Trunk

Dial Pulse (DP) 10 pps, 20 pps
Tone (DTMF) Dialling with Caller ID (FSK/DTMF)
1600 

  Maximum

Extension 

Dial Pulse (DP) 10 pps, 20 pps
Tone (DTMF) Dialling with Caller ID (FSK)
SLC1 and 2 port support PFT in combination with the LCOT1 and LCOT2 port connected to 
an analogue trunk respectively.

Mode Conversion 

DP-DTMF, DTMF-DP

Ring Frequency 

20 Hz/25 Hz (selectable)

Operating
Environment

Temperature

 0 

C to 40 C

Humidity

10%to 90% (non-condensing)

Conference Call Trunk 

From 10 x 3-party conference call to 4 x 8-party conference call

Music on Hold (MOH)

Maximum 8 ports (Level Control: 31.5 dB to +31.5 dB per 0.5 dB)
MOH: Selectable Internal/External Music Source port

External Paging

Maximum 6 Ports (Volume Control: -15.5 dB to per 0.5 dB)

LAN Port

1 (for LAN connection)

10BASE-T/100BASE-TX (Auto MDI/MDI-X)

Extension Connection Cable

SLT

1-pair wire (T, R)

DPT

1-pair wire (D1, D2) or
2-pair wire (T, R, D1, D2)

PT-interface CS

1-pair wire (D1, D2)

PT-interface CS (High-density) 

4-pair wire (D1, D2)

DSS Console and Add-on Key Module

1-pair wire (D1, D2)

Air-cooling method

FAN

Dimension

430 mm (W) x 88 mm (H) x 367 mm (D)

Weight (when fully mounted)

Under 4.5 kg 

*1

 

Terminal Equipment Loop Limit

• SLT: 600 

 including set

• Doorphone: 20 



Minimum Leakage Resistance

15 000 

 maximum

Maximum Number of Extension
Instruments per Line

1 for SLT

Ring Voltage

65 Vrms at 20 Hz/25 Hz depending on the Ringing Load

Trunk Loop Limit

1600 

 maximum

Hookswitch Flash/Recall Timing Range

24 ms to 2032 ms

Door Opener Current Limit

24 V DC/30 V AC, 1 A maximum

External Sensor Current Limit

Power  to  the  external  sensor is provided from the DPH2 card and must be grounded
through the DPH2 card. For the connection diagram. 
The PBX detects input from the sensor when the signal is under 100 

.

Paging Terminal Impedance

600 



MOH (Music on Hold) Terminal Impedance

10 000 

