COMSPHERE 3800 Series Modems ± Model 3830
PSTN | Public Switched Telephone Network. A network |
| shared among many users who can use telephones |
| to establish connections between two points. Also |
| known as dial network. |
pulse dialing | One of two dialing methods, in which telephone |
| numbers are sent as pulses (brief changes in |
| voltage or current intensity) across the telephone |
| line. Rotary telephones use pulse dialing. |
register | A part of the modem's memory that contains |
| values that determine the modem's operating |
| characteristics. |
remote loopback | A test that sends a signal to the remote modem to |
| test the local modem, the remote modem, and the |
| circuit between them. |
result code | An asynchronous message (in either numbers or |
| words) that the modem sends to the DTE after |
| executing or trying to execute a command. |
RJ11 | A type of |
| permissive dial networks and telephone sets. |
rotary | A TELCO service whereby multiple lines to a |
| customer premise share a common telephone |
| number. |
| Registers that contains information affecting the |
| modem parameters. All |
| preceded by the AT prefix. |
serial transmission | A way of transmitting data in which bits are sent |
| sequentially one at a time. |
Sync Dial | A factory preset configuration area containing |
| configuration options most often used in |
| synchronous dial networks. |
synchronous transmission | Data transmission that is synchronized by timing |
| signals. Characters are sent at a fixed rate. This |
| type of transmission is more efficient than |
| asynchronous transmission. |
August 1998 |