IBM J02M, Быстрый старт

Страница: 20 / 32

Connect Power to a DC Router
C
A
UTION
: The router must be properly grounded before you connect the DC power
cables.
Table 2: J02M DC Power System Input Voltage
Specification Item
Operating range: –40.5 to –72 VDC DC input voltage
Figure 10: Connect DC Power Cables
CAUTION: You must ensure that power connections maintain the proper polarity.
The power source cables might be labeled
(+)
and
(–)
to indicate their polarity. There
is no standard color coding for DC power cables. The color coding used by the external
DC power source at your site determines the color coding for the leads on the power
cables that attach to the terminal studs on each power supply.
1.
Ensure that the voltage across the DC power source cable leads is 0 V and that
there is no chance that the cable leads might become active during installation.
2.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and
connect the strap to one of the ESD points on the chassis. For more information
about ESD, see the
IBM Ethernet Router J02M Hardware Guide
3. Switch the circuit breaker on the power supply faceplate to the OFF position ( O ).
18 ■
Step 5: Connect Ground and Power Cables
IBM Ethernet Router J02M Quick Start