Polycom EF2241 manual Connector Pinouts, EF Bus

CONNECTOR PINOUTS

CONNECTOR PINOUTS

EF BUS IN

8 1

1 8

EF BUS OUT

8 1

Cat 5 Plug

(Front View)

REMOTE CONTROL

5 1

96

RS-232

EF Bus

The EF Bus uses RJ45 connectors. These should be used with category five twisted-pair cable.

The total distance of the EF Bus should be less than 4.5 m.

The EF Bus must be connected so that the EF Bus In of one box is connected to the EF Bus Out of another. Connecting the EF Bus In to another EF Bus In (or Out to Out) will not work.

Cat-5 Plug Pinout

1 - White/Orange

2 - Orange

3 - White/Green

4 - Blue

5 - White/Blue

6 - Green

7 - White/Brown

8 - Brown

RJ11 Plug Pinout

3 - Ring

4 - Tip

Note: Other pins are not connected. The DAA is not affected by Tip and Ring wiring reversal.

RS-232 Port (9600, 19200, 38400, 8-N-1)

The RS-232 port is wired as DCE. It accepts a male DB-9 connector. Only pins 2, 3, and 5 are required by the EF2241 but pins 7 and 8 are supported. Con- nect pins straight through (do not use null modem). 1 DCD; 2 TXD; 3 RXD 4 DSR; 5 ground; 6 DTR; 7 CTS; 8 RTS; 9 No connection

Baud rate is selectable at 9600, 19200, or 38400.

© Polycom, Inc. 51 VORTEX EF2241 Reference Manual