Overview
29
Director 2/140 Installation Guide
■
Extended reach long-wave Laser—Long-wave laser transceivers that
provide connections for transferring data over extended long distances (up to
35 kilometers) through 9-µm single-mode fiber.
Rear View
shows the components accessible from the rear of the Director 2/140.
Figure 3: Director components—rear
1
Fan modules
2
UPM cards (3)
3
Maintenance port
4
SBAR assemblies
5
AC modules
6
Power supplies
1
3
2
4
5
6