3-3
Cisco Redundant Power System Hardware Installation Guide
OL-3654-01
Chapter 3 Connection Requirements
Ordering Cables
• Cisco 2500 and Cisco 2600 series routers; Cisco 3620, Cisco 3640, and
Cisco 3725 routers; Cisco 4000 series routers; and the Cisco MC3810
multiservice concentrator support:
–
One-to-one cable for quasi-redundancy
–
Two-to-one Y-cable for full redundancy
Refer to the “Connecting Routers and the Cisco MC3810 Concentrator”
section on page 4-13 for illustrations and procedures.
Ordering Cables
The Cisco RPS ships in either of the following configurations:
• With cables (Cisco RPS number PWR600-AC-RPS-CAB)—Includes four
one-to-one (22-pin to 18-pin) cables for connecting to hubs and switches or
for quasi-redundant support for Cisco 2600 series routers; Cisco 3620,
Cisco 3640, and Cisco 3725 routers; and Cisco 4000 series routers.
• Without cables (Cisco RPS number PWR600-AC-RPS-NCAB)—Cables
must be ordered separately:
–
One-to-one (22-pin to 18-pin) cables for connecting to hubs and switches
or for quasi-redundant support for Cisco 2600 series routers; Cisco 3620,
Cisco 3640, and Cisco 3725 routers; and Cisco 4000 series routers
–
One-to-one (22-pin to 8-pin) cables for quasi-redundant support for
Cisco 2500 series routers and Cisco MC3810 multiservice concentrators
–
Two-to-one Y cables (22-pin to 18-pin, or 22-pin to 8-pin) for fully
redundant support for routers or concentrators only
Note The fully redundant configuration is supported only for routers, not
for hubs or switches.
Figure 3-1 and Figure 3-2 show the cables you can order, and Table 3-1 includes
cable descriptions and lists the corresponding product order numbers. For
ordering information, contact 800 553-6387, 408 526-7208, or
cs-rep@cisco.com. See also the “Obtaining Documentation” section on
page xviii.
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General