Cisco Catalyst 9400 Series User Manual

Figure 28: System Ground Connected
Step 5 Prepare the other end of the grounding wire, and connect it to an appropriate grounding point in your site to
ensure adequate earth ground for the switch.
Attaching an ESD Strap
After you install the system ground lug, follow these steps to correctly attach the electrostatic discharge (ESD)
wrist strap that is provided with the standard accessory kit and all FRUs:
Before you begin
• Do not use the wrist strap if it is wet.
• Do not use the wrist strap on equipment with operating voltage exceeding 250V.
• Ensure that you are not grounded by any other means than through the wrist strap while servicing.
Procedure
Step 1 Open the wrist strap package, unwrap and locate the two ends of the ESD strap.
One end of the strap terminates with the black metal strap exposed; this is wrist end; the other end terminates
with a patch of copper foil; this is the equipment end.
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
81
Installing the Switch
Attaching an ESD Strap

Cisco Catalyst 9400 Series Specifications

General

Series	Catalyst 9400 Series
Form Factor	Rack-mountable
Operating System	Cisco IOS XE
Uplink Options	40G and 100G uplinks
Stacking	Not supported
Layer Support	Layer 2 and Layer 3
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5% to 90% noncondensing
Power Supply Options	AC and DC power supplies
Redundancy	Power supply, supervisor engine
Modular Slots	7 or 10
MAC Address Table Size	256, 000
Security Features	ACLs, TrustSec, MACsec
Management	CLI, SNMP, NETCONF, RESTCONF, Cisco DNA Center