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Mitsubishi Alpha XL and Mitsubishi FX at RS232
4.3
Mitsubishi Alpha XL and Mitsubishi FX at RS232
4.3.1
Alpha XL
The Mitsubishi Alpha XL is to be connected to the COM ports of the Mitsubishi Alarm Modems
(MAM):
b directly by the "AL2-GSM-CAB" cable to COM1
b by the "AL2-GSM-CAB" cable and the "Red Adapter" (see chapter 10.3) to COM2
4.3.2
Mitsubishi FX1S, FX1N, FX2N, and FX2NC
The Mitsubishi FX is to be connected to the COM ports of the Mitsubishi Alarm Modems:
b at the Mini-DIN jack of the FX: by the "SC-09" cable and the "Blue Adapter"
(see chapter 10.3) to COM1
b at the Mini-DIN jack of the FX: directly by the "SC-09" cable to COM2
b at the RS232-BD of the FX: directly by a serial cable (1:1) and the "Brown Adapter"
(see chapter 10.3) to COM1
b at the RS232-BD of the FX: by a serial cable (1:1) and the "Red Adapter"
(see chapter 10.3) to COM2
4.4
RS485/RS422
The MAM-GM24 and MAM-AM24 device is provided with an RS485/422 interface for
connecting two-wire and four-wire bus systems to the Mitsubishi Alarm Modem. The interface is
provided as a 5-pole screw terminal strip on the device. This interface is not galvanically iso-
lated.
COM2
NOTE
Twisted pair cables are recommended. In RS422 operation and with 4-wire RS485
operation 2 twisted pair cables should be used.
4 - 2
Fig. 4-3:
Terminal assignment of the RS485/422
interface (view from top)
MITSUBISHI ELECTRIC
Interfaces
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