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ASAI-Ethernet
13-6 Issue 7 May 1998
Cable Connectivity for MAPD
The system assembly is provided with a special amphenol connector, or cable,
that is plugged into the back of the ECS at the location occupied by the TN801
(see Figure 13-4). The cable has a female RJ45 receptacle that is used as the
10Base-T Ethernet connection and three DB25 serial connectors. This cable
provides Ethernet access and serial access to the MAPD system.
Figure 13-4. Cable Connectivity to the MAPD System Assembly
The MAPD Ethernet cable is attached to a “demarcation point” within 25 feet of
the ECS, consisting of a WE-104 terminal block with 2 RJ45 connectors
punched-down back-to-back so as to provide a “straight-through” connection. The
terminal block, in turn, should be attached using suitable 10Base-T category 3 or
better wiring to an Ethernet hub or an Ethernet hub adapter in the host to which
physical connectivity is desired.
NOTE:
Lucent Technologies strongly recommends (both for security and
performance reasons) that the Ethernet connectivity between the MAPD
View from Rear of Cabinet
20 19 18 17
RJ45 10Base-T
RS232
RS232
RS232
DCIU
Admin/Port B
Maint/Port A
(not used)
T
N
8
0
1