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System & Station
Program 04 – Station Logical Port [PDN] Assignment
Strata DK Programming 5/99 3-15
System & Station
Program 04 Overview
Program 04 assigns the Primary Directory Number [PDN] to each telephone (logical port). [PDNs]
can be one to four digits. [PDNs] must not conflict with Phantom Directory Numbers [PhDNs] or,
DK424 Distributed Hunt Directory Numbers set in Program 04.
[PDNs] can be changed using Program 04, but door phone and modem numbering cannot.
● Door phone standard numbering is #151~#159 and #161~#163; the internal modem (IMDU or
RMDS) is #19 (DK40i and DK424).
● [PDNs] cannot begin with the digits 41~49 because 44 is the substitute code to rotary dial the
“#” in feature access codes.
Only the first digit of a feature code can be changed with Program 05. The system automatically
assigns door phone station numbers if a door phone is specified in Program
77-1. [PDN] assignments are flexible so that each station can have up to four assigned digits.
All Strata DK telephone user guides are written using the standard default access codes and
[PDNs]. If desired, a telephone accompanying a DSS console can have an [PDN] of 0 or 01, etc.,
without conflict.
If you make no assignment in Program 04, the system, upon powering up automatically assigns
eight [PDNs] for each station PCB installed and four logical station ports for each PEMU, REMU,
RDDU, and RATU PCB.
Each DK424 RDTU, Tie, and DID channel is also assigned a station port. This is done in sequence
of ascending slot numbers for station port numbers 008 and up.
DK424 Attendant consoles rings on the ICI “
” button for Dial “0” calls, and on the [PDN] when
the [PDN] assigned to the console (station) port in this program is dialed.
Peripheral Devices other than telephones or DIUs can be connected to the ports listed below. If a
peripheral device is connected to a Physical Port, the Logical Port must have the same port number
as the Physical Port. See the following table.
Logical &
Physical Ports
System Peripheral Device
00 DK40i Digital telephone associated with DSS console.
02, 03 DK14 Digital Door phone/lock control unit (DDCB).
04, 12, 20 DK40i Digital Door phone/lock control unit (DDCB).
07, 015, 027 DK40i Digital Direct Station Selection Console (DDSS).
10 DK14 DISA port number used for Toll Restriction Class and Verified/Forced
Account Code assignment.
35 DK40i
09 DK40i Separate background Music Source (KSTU2 required in Base KSU).
00, 08, 020 DK40i
Digital telephone associated with DSS console (PDKU/Expansion Unit
required).
Electronic telephone associated with DSS console (PEKU/Expansion Unit
required).
00, 13, 17 DK40i DK40i: Separate Background Music Source (PEKU, PESU, or PSTU/
Expansion Unit required). DK14: QSTU2 required.
09 DK14
31 DK40i IMDU modem.