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  2. Small Form-factor Pluggable - Wikipedia

    en.wikipedia.org/wiki/Small_Form-factor_Pluggable

    Small Form-factor Pluggable (SFP) is a compact, hot-pluggable network interface module format used for both telecommunication and data communications applications. An SFP interface on networking hardware is a modular slot for a media-specific transceiver , such as for a fiber-optic cable or a copper cable. [ 1 ]

  3. Return address - Wikipedia

    en.wikipedia.org/wiki/Return_address

    Envelope with return address in top left corner. In postal mail, a return address is an explicit inclusion of the address of the person sending the message. It provides the recipient (and sometimes authorized intermediaries) with a means to determine how to respond to the sender of the message if needed.

  4. Bounce address - Wikipedia

    en.wikipedia.org/wiki/Bounce_address

    A bounce address is an email address to which bounce messages are delivered. There are many variants of the name, none of them used universally, including return path, reverse path, envelope from, envelope sender, MAIL FROM, 5321-FROM, return address, From_, Errors-to, etc. It is not uncommon for a single document to use several of these names.

  5. Mailing Your Federal Tax Return? Here’s Exactly Where ... - AOL

    www.aol.com/finance/mailing-federal-tax-return...

    The most common forms are the 1040 and 1040-SR, but the addresses for form 1040-X, which is used to make edits to your tax return, are also included. Filing Addresses for Form 1040 and 1040-SR

  6. Synchronous optical networking - Wikipedia

    en.wikipedia.org/wiki/Synchronous_optical_networking

    Regenerators extend long-haul routes in a way similar to most regenerators, by converting an optical signal that has already traveled a long distance into electrical format and then retransmitting a regenerated high-power signal. Since the late 1990s, regenerators have been largely replaced by optical amplifiers. Also, some of the functionality ...

  7. Compose and send emails in AOL Mail

    help.aol.com/articles/aol-mail-compose-and-contacts

    2. In the "To" field, type the name or email address of your contact. 3. In the "Subject" field, type a brief summary of the email. 4. Type your message in the body of the email. 5. Click Send. Want to write your message using the full screen? Click the Expand email icon at the top of the message.

  8. Return-to-zero - Wikipedia

    en.wikipedia.org/wiki/Return-to-zero

    The binary signal is encoded using rectangular pulse-amplitude modulation with polar return-to-zero code. Return-to-zero (RZ or RTZ) describes a line code used in telecommunications signals in which the signal drops (returns) to zero between pulses. This takes place even if a number of consecutive 0s or 1s occur in the signal. The signal is ...

  9. Switch your Inbox style in AOL Mail

    help.aol.com/articles/switch-your-inbox-style-in...

    1. Click the Settings icon | select More Settings. 2. Click Viewing email. 3. Under Inbox style, select Unified Inbox or use New/Old Mail. 4. Click Back to Inbox or Back to New Mail when done.