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1Install and cable a G600 cabinet
Install multipoint adapters
S8100 Installation and Upgrades 119
November 2003
Install multipoint adapters
Use multipoint adapters to provide signal fanout of the T-interface. BR851-B or the 367A perform fanout
at the workstation. These adapters support more than 1 ISDN terminal per horizontal 4-pair D-inside wire
(DIW). To support multiple horizontal runs, a MDF with multiple common rows performs fanout in the
satellite closet. The 110RA1-12 provides fanout for 2 horizontal runs and contains the 100-Ohm
terminating resistor. Use this for basic multipoint or point-to-point with terminating resistor in the closet.
Other fanout blocks include the 110AB1-025M and the 110AB1-050M.
BR851-B adapter (T-adapter)
The BR851-B supports 2 terminals on 1 multipoint BRI at the workstation and is used to fanout
transmission and power. See Figure 37, Wiring diagram of BR851-B,
on page 119.
Figure 37: Wiring diagram of BR851-B
Figure notes
1 Wire pairs
2 Pin numbers
3 Modular plug (male)
4 Female
5 T-type adapter (BR851-B)
44
r910017 RPY 012098
4
RR
R
88
8
44
4
TT
T
77
7
33
3
RR
R
66
6
11
1
TT
T
55
5
11
1
RR
R
44
4
33
3
TT
T
33
3
22
2
RR
R
22
2
22
2
TT
T
11
1
1
1 1
2
2 2
3
4
4
5