Case 8000 Series - 2.5 Cabling

2.5 Cabling
2.5.1 AUI Port
The AUI interface provides a standard 15-way D-type female connection.
The pinout is defined in Appendix A.4.
The TGate/Router AUI port provides 15 VDC (8325) or 12 VDC (84/8525),
current limited to 500 mA, on circuit VP.
The AUI port does not provide the normal slide locking for securing the
cable; instead screw pillars are used. The pillars must not be removed as
they also secure the rear panel.
The following AUI drop cables are recommended:
A001-000005 4 metre drop cable
A001-000006 20 metre drop cable
2.5.2 Cheapernet Port
The CPIM provides a single 50 ohm coaxial connector for connection to a
thin Ethernet/Cheapernet system. The TGate/Router is connected to the
network via a coaxial T-piece fitted to the CPIM. If the TGate is located
centrally within the network, two 50 ohm coaxial cables (e.g. M151-
400211, 1 metre) should be used. However, if the TGate/Router is sited at
the end of the network, a 50 ohm terminator must be fitted to the unused
side of the T-piece. To conform to EMC approvals, both supplied ferrites
must be clipped onto the cables, one at either side of the T-piece, as close as
physically possible: see Figures 2-5 and 2-6.
Figure 2-5 In-Line Cheapernet
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X870-300351 Issue 1 2-8 Rev.0