Wavecom WMOi3 Service Manual download pdf (Page 5)

Seite 5

3 Port

At the modem, there is a block with 36 screw terminals

• for the interface RS232

• for the interface CL (TTY) 2 and 4 wire

• for the interface RS485 and

• for the power supply

3.1 Port plan of the screw terminals

3.2 Power supply

Pin No. Function Pin Type

9 PE PE

11 L1 Net

12 N Net

21 PE PE

22 PE PE

23 PE PE

24 PE PE

35 +24V /20mA unregulated out power

36 GND (24V) GND power

NOTE: A voltage between 90V – 260V AC/DC (50/60Hz) can be applied to

the modem. The power input is typically 3.5VA (5VA max.)

3.3 RS 232 / V24 interface

Pin No. Function Pin Type PC-port SUBD-9-pole

1 Vcc / +5V out power -

2 /IN1 -

3 DTR in 4

13 GND Gnd power 5

14 IN2 -

15 RTS In 7

25 RXD Out 2

26 TXD in 3

27 CTS Out 8

NOTE !! Bridges 31-32 and 33 – 34 have to be removed of!

1 2 3 4 5 6 7 8 9 10 ... 18 19

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Wavecom WMOi3 Service Manual Page 5