Cisco Catalyst 2950 Hardware Installation Manual page 109

Chapter 3 Installation
Figure 3-24 SFP Module with a Mylar Tab Latch
Figure 3-25 SFP Module with an Actuator Button Latch
Figure 3-26 SFP Module with a Bale-Clasp Latch
To insert an SFP module into the SFP module slot, follow these steps:
Attach an ESD-preventive wrist strap to your wrist and to a bare metal surface on
Step 1
the chassis.
Find the send (TX) and receive (RX) markings that identify the top side of the SFP
Step 2
module.
Note
78-11157-05
On some SFP modules, the send and receive (TX and RX) markings might
be replaced by arrows that show the direction of the connection, either
send or receive (TX or RX).
Catalyst 2950 Desktop Switch Hardware Installation Guide
Installing and Removing SFP Modules
3-29