Liebert 232 user manual Communication Wiring, CMnet Wiring, Procedure

Procedure

1.Turn the SiteGate-232's power switch OFF.

2.Set the module's baud rates and console port settings using the 8-position dip switch (see Figure 1 for switch location).

3.Turn the SiteGate-232's power switch ON.

Communication Wiring

CMnet Wiring

NOTE: Only one SiteGate-232 may exist on a CMnet.

NOTE: The EIA-232 connection can be 50 ft. (15.24 m) maximum.

1.Turn the SiteGate-232's power switch OFF.

2.Check the network communication wiring for shorts and grounds.

3.Terminate the network (CMnet) communication wires (#18 twisted pair) to the module's screw terminals indicated in Figure 8.

NOTE: Be sure to follow the same wiring polarity as established throughout the rest of the network.

4.Turn the SiteGate-232's power switch ON.

5.Verify proper network communication using Netscan software.

Power

On

Power

Gro und

Off

1

dcd

Switch

Supply

24 VAC

Power

n/c

Console

6

xr

+10v

2

Indicator

Us e sin gle Cl ass 2

Port

7

xt

n/c

3

sou rc eo nl y

8

dtr

n/c

4

Cl as s 2

9

gnd

50 -6 0 Hz

5

2 4 VAC

0.4 Amp

Us e c opp er

co nd uc to r on ly

SiteGate-232

Tx

Rx

Cons ole 2

Optional Shield

Auxiliary

Forma t

b utton

Device

Port

Baud 156K

CMnet baud 9600

38.4K

Baud 9600/38.4K

Console 1 baud 9600

38.4K

Console 2 baud 9600

38.4K

Run

Access

Error

port

CMnet Receiv e

Cmnet Trans mit

Cons ole 2 recieve

Console 2 transmit

Opti ona lShie ld

Cons ole 1 recieve

Console 1 transmit

CMne t

Net -

co nn ec tion

Net +

24VAC

Line

Voltage

#18 Twisted pair to CMnet

Figure 8: Power and communications wiring

Rev. (08-JULY-98) 8 © 1996-98 Liebert Corporation