CHAPTER 2: Introduction
9
Figure 2-2. Identifying patch cavities.
2.3.2 R
EAR
C
HASSIS
The Standard Patch Panel’s rear chassis layout can include two configurations: DB25 male/female or
M/34 male/female.
DB25 male/female
The DB25 male/female configuration corresponds to the RS-232 compliant chassis. In this configuration, the
rear of the chassis consists of: (16) DB25 male DCE ports, (16) DB25 female DTE ports, (1) DB25 female test
equipment port, (1) DB25 female control/converter port (reserved for future use), (1) 110/220 VAC jack, and
(1) -48 VDC jack (for optional -48 VDC power supply).
Figure 2-3. DB25 male/female rear chassis configuration.