RFL Electronics IMUX 2000 - Page 324

Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL DA-291B RFL Electronics Inc.
April 13, 2010 4 (973)
334-3100
MA-440A
PORT 1
PORT 2
PORT 3
PORT 4
MA-425
PORT 1
PORT 2
MA-420A
PORT 1
PORT 2
MA-404A
Pin 6
Pin 1
CH 1
CH2
CH3
CH4
CH5
Not used
Fi
g
ure 1a.
Fi
g
ure 1c.
Fi
g
ure 1d.
Fi
g
ure 1b.
Figure 1. DA-291B Module Adapters
Table 1A. Wiring Assignments for MA-420A and MA-440A Table 1B. Wiring Assignments for MA-425
Module Adapters Module Adapter
Pin No. Signal Name Pin No. Signal Name
1 Receive Line Signal Detect 1 TXA
2 Receive Data 2 TXB
3 Transmit Data 3 RXA
4 Not used 4 RXB
5 Signal Ground 5 Signal Ground
6 Not used 6 Not used
7 Not used 7 Not used
8 Clear To Send 8 Not used
9 Not used 9 Not used
Table 1C. Wiring Assignments for MA-404A
Module Adapter
RJ-11 Pin No. Signal Name RJ-11 Pin No. Signal Name
1 CTS (always on) 1 Send Data A
2 Transmit Data 2 Send Data B
3 Not used 3 Ground
4 Receive Data 4 Ground
5 Ground 5 Receive Data A
6 Carrier Detect 6 Receive Data B