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PCB Installation
Programming
6-18 Strata CTX I&M 06/04
Figure 6-12 BWDKU1A PCB
Note The BWDKU1A does not need a Ferrite Core.
A comparison of the BWDKU1A and the BDKU/BDKS is shown in Table 6-9.
The power factor for the BWDKU1A is +5VDC = 0.8, -24VDC = 0.3.
Refer to Chapter 11 – Station Apparatus for instructions on how to connect digital telephones,
DADMs and DDSS consoles to the BWDKU1A. Refer to Chapter 12 – Peripheral Installation for
instructions on connecting Door Phones (DDCBs).
Programming
In Strata CTX Program 100, use the same CTX WinAdmin selections as the BDKU or BDKU/
BDKS. A “BWDKU” selection will be added to Program 100 in a future version of CTX
WinAdmin.
In Strata DK, Program 03, code selection 61, 62, or 64 for the “BWDKU.”
Table 6-9 BWDKU1A and BDKU/BDKS Comparison
BWDKU1A BDKU/BDKS
DKT wiring is all 1 pair. Line length is shorter than
the BDKU.
DKT wiring is 2 pairs (BDKU) and 1 pair (BDKS) mixed.
One protector circuit for every two circuits. One protector circuit for every one circuit.
IC502
6837
BWDKU1A
BWDKU1
0210602106021060210602106021060210602106
0210602106021060210602106021060210602106
SWDR1A
UP
UP
J1
J4
P503 P504
J6
J3
J2
J5
Backplane Connector
50-Pin Amphenol
Connector (Female)
BDKU
PDKU
16 CCT
8 CCT