Port Adapters - Cisco CISCO7206 Regulatory Compliance And Safety Information Manual

Port Adapters

Port Adapters
The following sections provide international agency compliance, safety, and statutory information
for specific port adapters that are used in the Cisco 7204 and Cisco 7206 routers.
PA-4T Synchronous Serial Port Adapter
The Cisco Systems 4T port adapter (Part Number 73-1185) is used in Cisco 7200 series routers and
is supplied by Cisco Systems Europe. The 4T port adapter provides the hardware necessary to
connect Cisco 7200 series routers to digital leased line circuits (point to point) and to Packet
Switched Public Data Networks (PSPDN).
The 4T port adapter has up to four synchronous serial interfaces. Each interface provides a
connection to leased lines on packed switched services of the type X.21, V.24, V.35, and V.36.
Wide-area network (WAN) operating software for the 4T port adapter is bundled with the Cisco IOS
software image that is running on the Cisco 7200 series router.
Each interface on the 4T port adapter is a custom 60-way connector. The following interface
configurations are supported:
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The configuration of an interface depends on the serial port adapter cable attached to the interface.
The 4T port adapter incorporates cable sensing circuitry to detect the presence of a specific cable for
each service. Further configuration is not necessary. The following Cisco cables are available for the
4T port adapter:
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Each cable provides a connection from a 60-way custom connector to the applicable ISO standard
connector.
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X.21 interface for connecting to leased lines at up to 2048 kbps or X.25 packet-switched service
at up to 2 Mbps
X.24 interface for connecting to X.21bis leased lines or X.25 packet-switched service at up to
19.2 kbps
V.35 interface for connecting to X.21bis leased lines or X.25 packet-switched service at up to 64
kbps
V.36 interface for connecting to X.25 packet-switched service at up to 64 kbps
X.21 DTE adapter cable (Part Number 72-0789)
X.21 DCE adapter cable (Part Number 72-0790)
V.35 DTE adapter cable (Part Number 72-0791 and 72-0801)
V.35 DCE adapter cable (Part Number 72-0792 and 72-0802)
RS-232 DTE adapter cable (Part Number 72-0793)
RS-232 DCE adapter cable (Part Number 72-0794)
RS-449 DTE adapter cable (Part Number 72-0795)
RS-449 DCE adapter cable (Part Number 72-0796)
RS-530 DTE adapter cable (Part Number 72-0797)
RS-530 DCE adapter cable (Part Number 72-0798)