G&L MMC-A2, Hardware Manual

Page: 129 / 192

MMC Ethernet TCP/IP Option Mod-
ule
G & L Motion Control Inc. MMC Hardware Manual 121
6.2.2 The RS232 COMM Ports
There are two RS232 ports at the top of the module as shown in
Figure 4-3. COMM 1 will be used for modem connections (future).
COMM 2 is used to download your configuration file to the MMC.
•
Pin descriptions for are provided in Table 6-5
•
Pin assignments are provided in Table 6-6
•
The available PiCPro Port to PC cable is described in Table
6-7
Table 6-4: 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