Cisco Systems DS71-MD4 Cabling, RJ-45 Cables and Adapters, Local Modem Option, Ring to Answer

DS71-MD4 Serial host and 56k Modem

Local Modem Option

Figure 5

Local Modem Option:	1
Rings to Answer		Auto-answer 1-4, Default 2
Connectivity Timeout	2	5-255	minutes, Default 60 minutes
Inactivity Timeout	3	1-120	minutes, Default 0
Exit	X, CR
Enter Request :

Ring to Answer

This option sets the number of rings before the unit answers.

Connectivity Timeout

This option sets the continuous connectivity time (5 to 255 minutes) before the modem automatically disconnects.

Inactivity Timeout

This option sets the time the modem will automatically disconnect, if there is no activity equaling the programmed amount of time (1 to 120 minutes).

Cabling

RJ-45 Cables and Adapters

DS71-MD4 EIA-232 RJ-45 Signal

Pin	EIA 232	Signal
	Signal	Direction
1	DTR	Out
2	GND
3	RTS	Out
4	TX	Out
5	RX	In
6	DSR	In

7GND

8CTS In

Description

Handshake, Line Driver Inactive State = High: +12V when power is applied. Used as a handshake line to enable/disable the receiving of characters.

Signal Ground

Handshake, Line Driver Inactive State = High: +12 V when power is applied. Not used to enable/disable.

Transmit Data Out

Receive Data In

Handshake In. –12V when not used.

Signal Ground, when Jumper JP6-2 is connected to JP6-3. In order for the module to take advantage of “DCD Logon/Logoff” and “Auto Connect Port”, Jumper JP6-2 is connected to JP6-1 providing DCD In.

Used as a handshake line to enable/disable the receiving of characters.

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