Liebert 1000A User Manual

Page of 152
Installation Drawings
40
Figure 27 Control wiring for the Liebert IntelliSlot SNMP/Web/Modbus 485 card
+
-
1
23
TB
3
Notes:
1. Wire size and type: 10/100 base-T
 ethernet
    cable with RJ-45 plug connector
The length is
    limited by internet standards.
2. Maximum cable length 1000 feet (300 meters)
    with twisted pair cable #22 
A
W
G minimum. Signal
    voltage 5VDC, current 10mA.
3. Refer to the Liebert Intellislot W
eb/485 Card’
s
    installation, operation & maintenance manual for
    configuration details.
4. 
All control wiring (by others) must be run
   separate from power wiring. Control wiring runs
   should not be combined in the same conduit.
5. Refer to control connection location diagram
    of static transfer switch for location of Liebert
    Intellislot W
eb/485 card option.
6. 
All wiring must be in accordance with national
    and local electrical codes.
Customer-supplied
interconnection cable
to Modbus
See Note 2
No customer
connection
No customer
connection
RS-232 (DB-9 connector)
for setup only
. Uses standard
computer serial port cable
Ethernet Network
RF-45 Connector
See Notes 1 and 2
Customer-Supplied
Interconnection Cable
TB3
TB2
TB1
DB-9
J3
PS213008
Rev
. 02