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Connect Power - CMS (14 slot), DC only)
Power Requirements
Power requirements for connecting the DC power to the Tenor CMS are as follows:
•
Voltage range -42V to -60V DC
•
Maximum current: 20 Amps
•
Customer must provide upstream short circuit (over current) protection for each DC power feed in case
of accidental wire crossing or reversed polarity connection.
Material Requirements
•
Stranded copper wire that is a minimum of 14 AWG (American Wire Gage) or a maximum of 10 AWG
2
(min 2.0 mm
, max 5.0 mm
wires to the power inlets.
Connect Power
WARNING:
Before making any changes to the wiring of your Tenor CMS, turn off both circuit breakers
and open the upstream disconnect switches at the source of the DC power feeds.
NOTE:
The electrical installation must comply with the National Electrical Code 1996 or other country
specific electrical installation codes.
Figure 3-8 DC Power Panel (located on bottom rear of chassis)
Link TX/RX
1
1
2
3
4
2
1
3
2
4
3
1
4
2
10/100
Ethernet
3
4
Console
10/100
Ethernet
Link TX/RX
Off
On
1
2
3
4
Config
Link TX/RX
CPU
DS1
-48 |RTN|
-48 |RTN|
Off
On
0
1
-48 |RTN|
-48 |RTN|
10
Off
On
© Copyright 2001 Quintum Technologies Inc.
0
1
Tenor CMS - Rear View
The top circuit breaker controls the left power inlet and the bottom circuit breaker controls the right power
inlet. See Figure 3-8. Each circuit breaker has a dual colored rocker. Pushing down on the left side of the
breaker (ON/1) will close the switch and expose a red indicator that shows the user that the contacts are made
(closed). To open the contacts, push down on the right side (Off/O).
1. Check to ensure the source of both DC feeds to the CMS are turned off and the circuit breakers are in the
off position prior to making or removing any power wire connections.
2. Beginning with the wire attached to Earth Ground, strip away 0.25 in. (7.0 mm) of insulation. See Figure
3-9.
P/N 480-0005-00-15
2
) and insulation rated at a minimum of 90° C or better must be used for all
Power Receptacle
Power plug
Power plug
Chapter 3: Installation
Circuit Breaker
Power Receptacle
Power plug
Power plug
3-11
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