Cisco Systems quick start Connect the Cisco 805 Router to a Serial Device

Connect the Cisco 805 Router to a Serial Device

Connect the Cisco 805 Router to a Serial Device

The following table describes the devices most commonly connected to the router serial port and how the serial line is used.

Serial Device	WAN Options	WAN Encapsulation (Framing)	Network Type
Asynchronous	Asynchronous	Point-to-Point Protocol (PPP)	Remote office to
modem	dial-up line		corporate office
			Small office to Internet
			service provider (ISP)

Channel service	Synchronous
unit/data service	leased line
unit (CSU/DSU)	Frame Relay
	X.25

Synchronous leased line: High-Level Data Link Control (HDLC) or PPP

Frame Relay

X.25

Remote office to corporate office

Small office to ISP

If you need help deciding which serial cable to order, see Appendix A, “Selecting a Serial Cable” in the Cisco 805 Router Hardware Installation Guide. Then order one of the serial cables described in the following table.

Mode	Signaling	Gender	Part Number
DCE	EIA/TIA-232	Female	CAB-SS-232FC
DTE	EIA/TIA-232	Male	CAB-SS-232MT
DCE	EIA/TIA-449	Female	CAB-SS-449FC
DTE	EIA/TIA-449	Male	CAB-SS-449MT
DCE	EIA/TIA-530	Female	CAB-SS-530FC
DTE	EIA/TIA-530	Male	CAB-SS-530MT
DCE	EIA/TIA-530A	Female	CAB-SS-530AFC
DTE	EIA/TIA-530A	Male	CAB-SS-530AMT
DCE	X.21	Female	CAB-SS-X21FC
DTE	X.21	Male	CAB-SS-X21MT
DCE	V.35	Female	CAB-SS-V35FC
DTE	V.35	Female	CAB-SS-V35FT
DCE	V.35	Male	CAB-SS-V35MC
DTE	V.35	Male	CAB-SS-V35MT

Connect the Cisco 805 Router to a Serial Device

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