Standards Flashcards
What is the standard for LLC - Logical Link Control?
IEEE 802.2
What is IEEE 802.2 concerned with?
Logical Link Control
What is the standard for Token Ring?
IEEE 802.5
What is IEEE 802.5 concerned with?
Token Ring
What is the standard for Ethernet?
IEEE 802.3
What is IEEE 802.3 concerned with?
Ethernet
What are the two standards for thinnet? (ethernet cabling and radio grade)
- 10Base2
- RG-58
What are the two standards for thicknet? (ethernet cabling and radio grade)
- 10Base5
- RG-8
What is the cable standard for cable television? (short distances)
RG-59
What is the cable standard for cable television? (longer distances(
RG-6
UTP Cat 1
2 twisted pairs
Voice grade only (POTS)
1 MHz
UTP Cat 2
4 twisted pairs
Up to 4Mbps
10 MHz
obsolete
UTP Cat 3
4 twisted pairs
3 twists per foot
Up to 10 Mbps ethernet
16 MHz
now obsolete for networks
UTP Cat 4
4 twisted pairs
20 MHz
obsolete
UTP Cat 5
4 twisted pairs
100BaseTX (2 pair wiring)
100MHz
UTP Cat 5e (enhanced)
4 twisted pairs
1000BaseT (4 pair wiring)
100MHz
UTP Cat 6
4 twisted pairs
1000BaseTX (2 pair wiring)
limited to 55m for 10GBaseT
250MHz
UTP Cat 6a (augmented)
4 twisted pairs
10GBaseT
500MHz
STP Cat 7
4 twisted pairs
10GBaseT
600MHz
STP Cat 8
4 twisted pairs
25GBaseT
40GBaseT
limited to 30m
2000MHz
RS-232
Recommended Standard 232.
Serial connections between DTE and DCE (ie computer serial port to modem)
DB-9
9 pin serial connector (used for RS-232)
802.3u
Fast ethernet
802.3ab
Gigabit ethernet on cat 5+
802.3ae
10Gbps over fibre and coax
EIA/TIA
Electronic Industries Association/Telecommunications Industry Alliance
What is the IEEE standard for 100BaseTX?
IEEE 802.3u
What is the IEEE standard for 100BaseFX?
IEEE 802.3u
What is the IEEE standard for 1000BaseCX
IEEE 802.3z (this is twin axial)
What is the IEEE standard for 1000BaseT
IEEE 802.3ab (four pair wiring)
What is the wiring standard 1000TX
Cat 5, two pairs, not used anymore
What is the IEEE standard for 1000BaseSX
IEEE 802.3z - uses MMF
What is the IEEE standard for 1000BaseLX
IEEE 802.3z - uses SMF
What is the IEEE standard for 10GBaseT
created by IEEE 802.3an
10Base5 - medium?
Coax
10Base5 - Max speed
10 Mbps
10Base5 - Maximum distance
500m
10Base2 - medium?
Coax
10Base2 - Max speed
10Mbps
10Base2 - Max distance?
185m