Installation Guide

Table Of Contents
Table 221: Summit X770-32q: Power for Each of the Two Installed DC Power Supplies
Nominal input ratings 48 to 60 V , 5.0 A
Input current 4.25 A @ 48 V (low-line)
3.35 A @ 60 V (high-line)
Heat dissipation 210 W, 717 BTU/hr
Power consumption 210 W, 717 BTU/hr
Summit X770 Power Supply Unit (PSU) and Fan Tray Configurations
Table 222: X770-32q PSU and Fan Tray Configurations
Configuration
No.
Quantity
PSU
PSU
Part No.
Power Supply
Description
Quantity
Fan Tray
Fan
Tray
Part
No.
Fan Tray Description
1 1 10927z Summit 550 W AC PSU
Back to Front airflow
(DS550HE-3)
5 17112z Summit X670 fan module
Back to Front airflow
(JDD0405612UB3A01)
2 1 10925z Summit 550 W AC PSU
Front to Back airflow
(DS550HE-3)
5 17111z Summit X670 fan module
Front to Back airflow
(AS04012UB565300)
3 2 10927z Summit 550 W AC PSU
Back to Front airflow
(DS550HE-3)
5 17112z Summit X670 fan module
Back to Front airflow
(JDD0405612UB3A01)
4 2 10925z Summit 550 W AC PSU
Front to Back airflow
(DS550HE-3)
5 17111z Summit X670 fan module
Front to Back airflow
(AS04012UB565300)
5 1 10928z Summit 550 W DC PSU
Back to Front airflow
(DS550DC-3-003)
5 17112z Summit X670 fan module
Back to Front airflow
(JDD0405612UB3A01)
6 1 10926z Summit 550 W DC PSU
Front to Back airflow
(DS550DC-3)
5 17111z Summit X670 fan module
Front to Back airflow
(AS04012UB565300)
7 2 10928z Summit 550 W DC PSU
Back to Front airflow
(DS550DC-3-003)
5 17112z Summit X670 fan module
Back to Front airflow
(JDD0405612UB3A01)
8 2 10926z Summit 550 W DC PSU
Front to Back airflow
(DS550DC-3)
5 17111z Summit X670 fan module
Front to Back airflow
(AS04012UB565300)
9 1 10927z Summit 550 W AC PSU
Back to Front airflow
(DS550HE-3)
5 17112z Summit X670 fan module
Back to Front airflow
(JDD0405612UB3A01)
1 10928z Summit 550 W DC PSU
Back to Front airflow
(DS550DC-3-003)
Technical Specifications
ExtremeSwitching and Summit Switches: Hardware Installation Guide 365