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Standalone MMC Hardware Manual
Standalone Digital MMC Control
version 15.1
Danaher Motion
5.5.5
Digital Link Ports
The four 8-pin RJ-45 Digital Link Port connectors (labeled “B1”, “B2”, “B3”, and “B4”
on the front of the Control) provide communications between Control and Digital MMC
Smart Drives. Also provided on the RJ-45 connector is a green “Link” light (which will
be on if there is a Drive connected to the branch) and a green “Activity” light (which will
be on whenever a data packet is transmitted to the drive(s) on the branch).
Each of the four branches (two branches on the Digital MMC-D32) can control up to
16 drives. A “straight-through” shielded cable must be used when connecting the
Control to the Digital Drive. Connect the cable from the Control to the Drives “IN”
connector. Refer to the MMC Smart Drive manual for Drive information.
•
Pin descriptions for are provided in
•
Pin assignments are provided in
Table 5-18: Ethernet Port to Ethernet Device Cables
Part Numbers:
.3 M (1.0 ft): M.1302.8285 .6 M (2.0 ft): M.1302.8286
1 M (3.3 ft): M.1302.8287 2 M (6.6 ft): M.1302.8288
3 M (9.8 ft): M.1302.8289 5 M (16.4 ft): M.1302.8300
10 M (32.8 ft): M.1302.8301 15 M (49.2 ft): M.1302.8302
30 M (98.4 ft): M.1302.8303
Cable type: 28 AWG, shielded, twisted pair, 8 conductor.
8-Pin RJ-45 Plug (to
Ethernet Port, face view)
8-Pin RJ-45 Plug (to
Ethernet Device, face view)
Pin
Signal
Pin
Signal
Notes
1
Transmit Data +
1
Receive Data +
Twisted
2
Transmit Data -
2
Receive Data -
Pair
3
Receive Data +
3
Transmit Data +
Twisted
6
Receive Data -
6
Transmit Data -
Pair
4
None
4
None
Twisted
5
None
5
None
Pair
7
None
7
None
Twisted
8
None
8
None
Pair
Shell
Drain
Shell
Drain
1
8
1
8
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