Connecting 10Base-T (Rj-21) To A Punch-Down Block - 3Com CoreBuilder 2500 Getting Started Manual

50-pin connectors
(from modules)
Figure 4-3 Harmonica Panel (Front View)
RJ-45 connections
to network devices
Figure 4-4 Harmonica Panel (Rear View)
Connecting 10BASE-T (RJ-21) to a Punch-down
Block
You can use two types of punch-down blocks to
connect modules with RJ-21 connectors to the
network. 3Com recommends Type 110
the type commonly used for data connections, and
Type 66 (Figure 4-6), typically used for voice
connections.
RJ-45 connections to
network devices
Strap for securing connector
50-pin connector
(from a module)
(Figure 4-5),
1
Pin 1
2
3
4
50-pin connectors (Telco
or Champ) connecting
to modules
Figure 4-5 Type 110 Punch-down Block
Pin 1
50-pin connector
(Telco or Champ)
connecting to
a module
Pin 50
Figure 4-6 Type 66 Punch-down Block
Ethernet Modules 4-5
Pin 48
Pin 1
50-pin connector
(Telco or Champ)
connecting to a module
Pin 50