Specifications

9
PA-4C-E 1-Port High-Performance ESCON Channel Port Adapter Installation and Configuration
OL-3743-02
Overview
ESCON Cable
The ESCON channel interface uses 62.5/125 micrometer, multimode, fiber-optic cable with male duplex
connectors at each end (Figure 5). ESCON cables are not available from Cisco. Refer to the ESCON
specifications in and contact your cable supplier or the vendor of your host CPU to order the correct
ESCON cable.
Figure 5 ESCON Interface Duplex Connector for the ESCON Channel Port Adapter
Port Adapter Slot Locations on the Supported Platforms
The following sections provide port adapter slot locations and related information:
• Cisco 7200 Series Routers and Cisco 7200 VXR Routers Slot Numbering, page 9
Cisco 7200 Series Routers and Cisco 7200 VXR Routers Slot Numbering
Cisco 7204 routers and Cisco 7204VXR routers have four slots for port adapters, and one slot for an
input/output (I/O) controller. The slots are numbered from the lower left to the upper right, beginning
with slot 1 and continuing through slot 4. You can place a port adapter in any of the slots (slot 1 through
slot 4). Slot 0 is always reserved for the I/O controller. The Cisco 7204 router and Cisco 7204VXR router
are not shown.
Cisco 7206 routers and Cisco 7206VXR routers have six slots for port adapters, and one slot for an
input/output (I/O) controller. The slots are numbered from the lower left to the upper right, beginning
with slot 1 and continuing through slot 6. You can place a port adapter in any of the six slots (slot 1
through slot 6). Slot 0 is always reserved for the I/O controller. Figure 6 shows the slot numbering on a
Cisco 7206 router. The Cisco 7206VXR router is not shown.
Note Interface ports are numbered from left to right starting with 0.
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