Kramer Electronics VS-44FO - Manual (Page 15)

12 VS-44FO - Connecting the VS-44FO
To remove an SFP module:
1. Pull the bail downward to release the SFP.
2. Pull the SFP module out by the bail.
3. If needed, replace the protective cap over the fiber connectors.
Note: When transporting or storing an unconnected device, replace the SFP caps
to protect against dust.
Figure 4: Installing the SFP Modules
5.2 Connecting the RS-232 Port
You can connect to the VS-44FO using an RS-232 connection using, for example,
a PC. Note that a null-modem adapter/connection is not required.
To connect to the VS-44FO using RS-232:

Connect the RS-232 9-pin D-sub rear panel port on the VS-44FO to the
RS-232 9-pin D-sub port on your PC. Use a 9-wire straight cable (only pin
2 to pin 2, pin 3 to pin 3, and pin 5 to pin 5 need to be connected)