Communication wiring, Cmnet wiring, The "setgcm" command – Liebert 232 User Manual

Page 8: Procedure

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Rev. (08-JULY-98)

© 1996-98 Liebert Corporation

8

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.

Figure 8: Power and communications wiring

Console
Port

n/c

+10v

n/c

n/c

6

7

8

9

1

2

3

4

5

dcd

rx

tx

dtr

gnd

Power
Indicator

Power
Supply

Power
Sw itch

Tx
Rx

Cons ole 2

Auxiliary
Device
Port

Optional S hi eld

Baud 156K

Baud 9600/38.4K

Access
port

Ru n
Error
CM net Rec e iv e
Cm net Trans m it
Cons ole 2 re cie ve
Co ns o le 2 tra nsm it
Cons ole 1 re cie ve
Co ns o le 1 tra nsm it

For ma t
b utton

CM net baud 9 600

Co ns o le 1 bau d 96 00
Co ns o le 2 bau d 96 00

38 .4 K
38 .4 K
38 .4 K

Opti ona l Shie ld

Ne t -

Ne t +

CMne t

co nn ec tion

Off

On

Gro und

24 VAC

Us e sin gle Cl ass 2

sou rc e o nl y

Cl as s 2

50 -6 0 Hz

2 4 V AC

0.4 Amp

Us e c opp er

co nd uc to r on ly

SiteGate-232

Line
Voltage

24VAC

#18 Twisted pair
to CMnet

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