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Tools<br />
and<br />
Testers<br />
Fiber<br />
Products<br />
Work Area<br />
Shielded<br />
Products<br />
Modular<br />
Patching<br />
TYPE 1 DUAL TAP ®<br />
The Type 1 Dual Tap ® utilizes internal shorting bars that bridge together the left and right side of a split<br />
66M block until a modular plug is inserted into the jack. Insertion of a modular plug separates the<br />
internal shorting bars. This enables an electronic device such as an automatic dialer to be connected in<br />
series or in parallel with both the input and output side of each line pair.<br />
All Type 1 Dual Tap ® applications are defined by FCC Universal Service Order Codes (USOC) which<br />
determine how registered terminal equipment must be connected to the public switching network. The<br />
arrangement of the jack's internal connections are different for each illustrated below. Dotted lines<br />
indicate the location of shorting bars and solid line (DT-RJ38X only) indicates the location of a<br />
permanent bridging strap.<br />
Racks and<br />
Cable<br />
Management<br />
Jack 1 Input<br />
T1 in<br />
R1 in<br />
Jack 2 Input<br />
T2 in<br />
R2 in<br />
A B C D<br />
T1 out<br />
Jack 1 Output<br />
R1 out<br />
T2 out<br />
Jack 2 Output<br />
R2 out<br />
Patch Cords,<br />
Plugs and<br />
Cable<br />
Rows B and C<br />
are bridged by<br />
the Type 1<br />
Dual Tap<br />
5<br />
4<br />
8<br />
1<br />
5<br />
4<br />
8<br />
1<br />
DT-RJ31X-3<br />
S210<br />
Products<br />
PART #<br />
DESCRIPTION<br />
DT-RJ31X-3 . . . . . . . . . . . . . . . Red adapter with<br />
2 RJ31X jacks<br />
R1 Out<br />
R1 In<br />
T1 In<br />
T1 Out<br />
APPLICATION<br />
Provides network connection of automatic dialers, alarm dialers, and<br />
automatic answering machines.<br />
12345678<br />
S110<br />
Products<br />
S66<br />
Products<br />
DT-RJ38X-3 . . . . . . . . . . . . . . . Red adapter with<br />
2 RJ38X jacks<br />
R1 Out<br />
DT-RJ31X<br />
R1 In<br />
T1 In<br />
12345678<br />
DT-RJ38X<br />
T1 Out<br />
The series connection to the tip and ring of telephone line is identical<br />
to the DT-RJ31X. The bridging strap between positions 2 and 7 is used<br />
to indicate that the dialer plug is engaged with the jack.<br />
Protection<br />
DT-RJ48X-7 . . . . . . . . . . . . . . . Green adapter with<br />
2 RJ48X jacks<br />
R1 Out<br />
T1 In<br />
R1 In<br />
T1 Out<br />
12345678<br />
DT-RJ48X<br />
Provides network connection of 1.544 Mbps digital services, such as a<br />
T1 multiplexer. Typically T1 circuits are wired to the input side of a<br />
split S66M block, and the output side of the block is wired to a PBX.<br />
The DT-RJ48X plugs into both sides of the block and the T1 multiplexer<br />
plugs into the DT-RJ48X Jacks.<br />
TYPE 2 DUAL TAP ®<br />
Standards<br />
Overview<br />
Application<br />
Guide<br />
Installation<br />
Practices<br />
Glossary<br />
Index<br />
The Type 2 Dual Tap ® provides modular access for two 2-pair voice/data circuits<br />
on a split 66M block. Horizontal wiring punches down on S66 clips, and the<br />
DT-RJ14-2 or DT-ETH-7 Dual Tap ® plugs onto the center rows. System equipment<br />
plugs directly into the Dual Tap ® jacks. See application diagram.<br />
PART #<br />
DESCRIPTION<br />
DT-RJ14-2 . . . . . . . . . . . . . . . . White adapter with<br />
two 2-pair 8-position jacks,<br />
USOC wiring.<br />
Can be used for Token Ring.<br />
DT-ETH-7 . . . . . . . . . . . . . . . . . Green adapter with<br />
two 2-pair 8-position jacks,<br />
10BASE-T wiring<br />
T1 Out<br />
R1 In<br />
T1 In<br />
R1 Out<br />
12345678<br />
T1 In<br />
R1 In<br />
T1 Out<br />
DT-RJ14-2<br />
R1 Out<br />
12345678<br />
DT-ETH-7<br />
Jack 1 2-pair input<br />
Jack 1 2-pair output<br />
Jack 1 sits on<br />
Row B and<br />
Jack 2 sits on<br />
Row C<br />
A B C D<br />
Jack 2 2-pair input<br />
Jack 2 2-pair output<br />
1 1<br />
2 2<br />
3 3<br />
6 6<br />
DT-ETH-7<br />
APPLICATION<br />
Horizontal cabling is punched down onto the outside columns<br />
of a split S66M block. The DT-RJ14-2 Dual Tap ® plugs onto the center<br />
columns and provides two modular interfaces to connect to 2-pair<br />
Token Ring equipment.<br />
Horizontal cabling is punched down onto the outside columns<br />
of a split S66M block. The DT-ETH-7 Dual Tap ® plugs onto the center<br />
columns and provides two modular interfaces to connect to 10BASE-T<br />
equipment.<br />
9•14<br />
T H E S I E M O N . C O M P A N Y
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