Checking The Dc Power Connection (Css 11503 And Css 11506); Powering Up The Css - Cisco 11500 Series Hardware Installation Manual

Chapter 2 Cabling and Troubleshooting the CSS

Checking the DC Power Connection (CSS 11503 and CSS 11506)

Warning

Powering Up the CSS

78-17231-01
Follow these steps to verify that you have correctly connected DC power to the
CSS 11503 or CSS 11506 chassis:
Turn on power to the DC circuit or circuits.
1.
2. Use a voltmeter to check the voltage at the terminal block on the power
supply. Connect the voltmeter's positive contact to the positive (+) terminal
on the CSS power supply terminal block. Connect the voltmeter's negative
contact to the negative (–) terminal on the CSS power supply terminal block.
If the power is wired correctly, the voltmeter registers approximately
+48VDC to +56VDC (or battery float voltage).
Do not allow the test probes of the voltmeter to touch each other while they are
touching the power terminals. This is an ENERGY HAZARD to you, to the
voltmeter, and to the wires connecting the CSS to its power source.
To power on the CSS, see the
3.
To power up a CSS:
On an AC CSS, toggle the power switch to the 1 (on) position.
•
See Figure 2-11
–
See Figure 2-12
–
See Figure 2-14
–
each power supply. Power on all of the supplies in the CSS. The AC OK
and DC OK LEDs light up on each power supply. If either LED remains
unlit, see the
this chapter.
Cisco 11500 Series Content Services Switch Hardware Installation Guide
"Powering Up the CSS"
for the location of the CSS 11501 AC power switch.
for the location of the CSS 11503 AC power switch.
for the location of the CSS 11506 AC power switch for
"Troubleshooting the CSS Power Supply"
Powering Up the CSS
section.
section later in
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