Juniper EX4600

Table 1: EX4600 Switches (Connued)
Product Number Ports Number of
Expansion
Modules
Supported
Power Supply Airow
EX4600-40F-DC-AFI 24 SFP+ and 4 QSFP+ 2 DC Air In (FRU-to-
port)
EX4600-40F-DC-AFO 24 SFP+ and 4 QSFP+ 2 DC Air Out (port-to-
FRU)
EX4600-40F-S 24 SFP+ and 4 QSFP+ 2 Order PSUs
separately
Fan modules are
not shipped by
default.
Order fan
modules
separately
CAUTION: Do not mix:
• AC and DC power supplies in the same chassis.
• Power supplies with dierent airow labels (AFI) and (AFO) in the same chassis.
• Fan modules with dierent airow labels (AIR INI) and (AIR OUT) in the same
chassis.
• Power supplies and fan modules with dierent airow labels (AIR INI) and AIR OUT)
or AFI and AFO in the same chassis.
Understanding Redundancy of EX4600 Switch Components and
Funconality
The following hardware components provide redundancy on an EX4600 switch:
• Power supplies—The EX4600 switch can operate with one power supply. However, all EX4600
switches, except the EX4600-40F-S switch, ship with two power supplies preinstalled for
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