Cisco Systems 8600 Series manual Modems, Dial-In and Dial-Out

Modems, Dial-In and Dial-Out

Modems, Dial-In and Dial-Out

Customer service uses modems for diagnosing and correcting customer problems with installed BPX switches. The modem that is currently recommended for use with the BPX switch is the Codex Model V.34R.

A dial-in connection to a BPX switch RS-232 from customer service via a modem uses the CONTROL port of the BPX switch. A dial-out connection from a BPX switch via a modem to customer service uses the AUXILIARY port of the BPX switch. Refer to Table C-6for interface requirements.

Table C-6	Modem Interface Requirements
Parameter		Requirement
BPX switch Port Used:		CONTROL port on BCC back card is used for auto-answer modem setup.
		AUXILIARY port on a BCC back card is used for auto-dial modem setup.
Code:		Standard 8-bit ASCII, 1 stop-bit, no parity.
Interface:		RS-232 DCE.
Cable to modem:		Null modem cable: CONTROL or AUXILIARY port to modem (DCE to DCE)
Phone Lines:		Dedicated, dial-up business telephone line for Customer Service-to-BPX switch
		modem.
Data Rate:		All standard asynchronous data rates from 300 to 19200 bps, independently
		software-selectable.
Supported Modems:		Motorola V.34R 28.8 baud modem with or without talk/data button.

Motorola V.34R BPX Switch Dial-In Configuration

BPX Switch Auto-Answer (Dial-In to BPX switch)

The following is a setup procedure that allows customer service to dial in to the customer’s BPX switch to provide support and troubleshooting:

Step 1 Using the cnfterm command, set the BPX CONTROL port speed to 9600 bps.

Step 2 Using the cnftermfunc command, set the terminal type to VT100/StrataView.

Step 3 To program the modem, temporarily attach a terminal to the modem using a straight through RS-232 cable (DTE to DCE). The modem EIA port will automatically match the 9600 bps setting of the terminal.

Step 4 Enter the commands listed in Table C-7to set up the modem for proper operation.

Note Consult the manual that is supplied with your modem for specific information concerning the modem configuration. Call customer service for latest modem configuration information.

Step 5 Disconnect the terminal and the straight-through cable from the BPX CONTROL port.

C-4Cisco BPX 8600 Series Reference