Telenetics OMEGA CDMA User Manual

Page 15

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AT Commands

“Setting the OMEGA DIP Switch” on page 13).

To facilitate this connection, the OMEGA Marwell socket adapter comes with an RJ-11
extension cable. This cable lets you connect a DTE cable to the appropriate RJ-11 female jack,
without having to insert the DTE cable into the modem enclosure.

Figure 1-1 on page 7 shows the location of these connectors. Figure 2-1 shows a close-up of the
RJ-11 jack, with pin 1 identified. Table 2-4 lists the pin assignments for the RS-232 connector.
Table 2-5 lists the pin assignments for the RS-485 connector.

PIN # 1

Figure 2-1. RJ-11 Jack

Table 2-4. RS-232 Connector Pin Assignments

RJ-11 Connector

Signal Name

Input /Output

DB-9 Pin Equivalent

1 DCD

OUT

1

2 RTS IN

7

3 TXD IN

3

4 CTS

OUT 8

5 RXD

OUT

2

6 SG NA 5

Table 2-5. RS-485 Connector Pin Assignments

RJ-11 Connector

Signal Name

Input /Output

DB-9 Equivalent

1 Not

Used

2 TX+

OUT N/A

3 TX-

OUT N/A

4 RX+ IN N/A
5 RX- IN N/A
6 Not

Used

Page 15

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