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Cisco 7500 Series Installation and Configuration Guide
OL-5008-03 B0
Chapter 1 Cisco 7500 Series Product Overview
AC-Input and DC-Input Power Supply Overview
Table 1-15
lists the console Y-cable pinout, and
Table 1-16
lists the auxiliary Y-cable pinout.
AC-Input and DC-Input Power Supply Overview
The Cisco 7500 series routers support AC-input and DC-input power supplies. The Cisco 7505 uses one
AC-input or DC-input power supply, whereas the Cisco 7507, Cisco 7507-MX, Cisco 7513, Cisco
7513-MX, and Cisco 7576 support dual AC-input or DC-input power supplies. Power specifications are
listed in
Table 1-1
(Cisco 7505),
Table 1-2
(Cisco 7507),
Table 1-3
(Cisco 7507-MX),
Table 1-4
(Cisco 7513),
Table 1-5
(Cisco 7513-MX), and
Table 1-6
(Cisco 7576).
Table 1-15
Console Y-Cable Pinout
Female End
DB-25 Pins
Male End DB-25 Pins
Description
P1-1
J1-1 and J2-1
Ground (GND)
P1-2
J1-2 and J2-2
Receive Data (RxD)
P1-3
J1-3 and J2-3
Transmit Data (TxD)
P1-4
J1-4 and J2-4
Clear To Send (CTS); looped to 5
P1-5
J1-5 and J2-5
Request To Send (RTS); looped to 4
P1-6
J1-6 and J2-6
Data Set Ready (DSR)
P1-7
J1-7 and J2-7
Ground (GND)
P1-8
J1-8 and J2-8
Data Carrier Detect (DCD)
P1-13
J1-13 and J2-13
YCBL Detect Ground
P1-19
J1-19 and J2-19
YCBL Detect
P1-20
J1-20 and J2-20
Data Terminal Ready (DTR)
Table 1-16
Auxiliary Y-Cable Pinout
Male End
DB-25 Pins
Female End DB-25 Pins
Description
P1-1
J1-1 and J2-1
Ground (GND)
P1-2
J1-2 and J2-2
Transmit Data (TxD)
P1-3
J1-3 and J2-3
Receive Data (RxD)
P1-4
J1-4 and J2-4
Request To Send (RTS)
P1-5
J1-5 and J2-5
Clear To Send (CTS)
P1-7
J1-7 and J2-7
Ground (GND)
P1-8
J1-8 and J2-8
Data Carrier Detect (DCD)
P1-13
J1-13 and J2-13
YCBL Detect
P1-19
J1-19 and J2-19
YCBL Detect Ground
P1-20
J1-20 and J2-20
Data Terminal Ready (DTR)
P1-22
J1-22 and J2-22
Ring
