Panasonic KX-TA624 Installation Manual page 220

5.2 Specifications
Maximum associated cable loss
for EXTN. port
Port to port loss
Send and receive loudness
ratings on port to port basis
Extension (1AS) port
Port Type Classification
Extn. Port**
PSTN Port**
Paging Port (output)*
Ext. Music Port (input)*
Doorphone Port*
Door Opener Port
EIA (RS-232C) Port
Port Types between which Call Paths can be established
From
Extn.
PSTN
Paging
Ext. Music
Doorphone
Door Opener
EIA (RS-232C)
5-8
Appendix
PT: Max cable loss 0.34 dB (140 m max for ø 0.5 mm)
SLT: Max cable loss 0.87 dB (698 m max for ø 0.5 mm)
Loss across switch, PAS
Send loudness rating (1AS
Receive loudness rating (PAS
3 ringers can be supported with extension wiring up to 698 m.
Notes
• Extension ports 01 through 24 may be used for off premise extensions in which
case cabling would be required by BS 6701:Part 1 1986 to be equipped with
over voltage protection.
• When using separately approved extension telephones, the best overall
performance of the PBX system will be obtained by using extension telephones
of impedance class A clause 4.3.2.1. of BS 6305:1982.
Port Name
Connect to PT, SLT
Connect to Network
External Paging
External Music
Connect to KX-T30865
Door Opener
Connect to PC, Printer
* These ports do not respond to address signalling.
** These ports provide DTMF and Loop Disconnect Signalling.
To
Extn. PSTN
A
A
X
A
A
X
X
1AS Loss=1.13 dB (Not through–fed system)
PAS)
1AS) : -6 dB (0km)
Brief Description
Ext.
Paging
Music
A A X
A X X
X X X
A A N/A
X X X
X X X
X X X
A: Allowed X: Not allowed N/A: Not applicable.
: +3dB (0km)
Port Type
1 AS
PAS
4F
4F
4E
4F
4E
Door- Door
Phone Opener (RS-232C)
A X
X X
X X
X X
N/A X
X N/A
X X
EIA
X
X
X
X
X
X
N/A