Installation guide
A-23
Cisco IGX 8400 Series Installation Guide, Release 9.3.3 and Later Releases
OL-1165-06
Appendix A System Specifications
Printer
Modems
In general, a dial-out connection to a modem uses the AUX port on the SCM. A dial-in connection from
a modem uses the Control port on the SCM. Refer to Table A-6 for interface requirements.
4 On Ready/busy protocol
5 On Test select circuit
6 On Print mode
7 On Busy line selection
8 On DTR pin 2 enabled
Table A-5 Settings for DIP Switch 2 (SW2)
Switch 2 Setting Description
1 Off Transmission
speed =
9600 baud
2On
3On
4On DSR active
5 On Buffer = 32 bytes
6 On Timing = 200 ms
7 On Space after power on
8Don’t care Not used
Table A-4 Settings for DIP Switch 1 (SW1) (continued)
Switch 1 Setting Description
Table A-6 Modem Interface Requirements
Parameter Requirement
IGX port used Control port on SCM is used for auto-answer modem;
AUX port on SCM is used for auto-dial modem.
Code Standard 8-bit ASCII, 1 stop-bit, no parity
Interface EIA/TIA-232 DCE
Cable Null modem cable
Phone lines Dedicated, dial-up business telephone line for TAC-to-IGX modem and
auto-dial-to-TAC modem
Data rate Standard, asynchronous rates 3.0–19.2 kbps, independently
software-selectable
Supported modems Motorola Model V.34R 9600 baud modem