097-55501-01 Revision M – January 2009 TimeHub 5500 User’s Guide 23
Chapter 1 Description
Physical Description
Physical Description
The TimeHub 5500 consists of a shelf, wire-wrap panel(s), plug-in cards, connector
modules, cables, hardware, and software. As an option, you can install Clock cards
with four additional DS1 inputs for a total of nine inputs. The shelf contains slots for
a Management card, two Clock cards, and up to eight Output Driver cards.
The shelf and the connection panel(s) can be mounted in a 19-inch or a 23-inch
rack, as shown in Figure 1-2. All connectors are at the rear of the shelf and
connection panel(s), except for a communications connector on the Management
card.
Figure 1-2. TimeHub 5500 Shelf and Connection Panels