MiLAN MIL-4750 User's Guide download pdf (Page 16)

Appendix A

A-2 MIL-4750/MIL-4755 Master/Slave Modules

A.4 Connectors

A.4.1 RS-232, RJ-45 Connector

Use a standard null-modem for communication when

connecting “straight-through” to a DB9 connector.

A.4.2 RJ-45 Pinouts

• Pin 1: Transmit data +

• Pin 2: Transmit data -

• Pin 3: Receive data +

• Pin 6: Receive data -

Note:

For a workstation/PC port, use a swap cable. Pins are connected: 1 to 3, 2 to 6, 3 to 1, and 6 to 2.

A.5 Environmental Operating Conditions

A.6 Power Supply

Both modules are powered via the backplane of the media

conversion system. The power consists of +5VDC +/-10%

@10A.

PIN Number Signal PIN Number Signal

1NC6 NC

2 RXD 7 RTS/DTR

3 TXD 8 CTS

4 DTR/RTS 9 (for DB9) NC

5 GND

Parameters Minimum Maximum

Operating Temperature +5° C 40° C

Humidity: Non-condensing 10% 95%

Altitude test NA 12,000 ft. (at 40° C)

Temperature test (Operating) 5° C 50° C

Temperature test (Packaged) -25° C 70° C

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MiLAN MIL-4750 User's Guide Page 16