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Etisalat HSPA+ WiFi Router USER GUIDE
Op t ion
D e s c r i p t i o n
B and
The n ew amen dmen t a llows IE EE 802 .11 g units t o fall bac k to speeds of 11 Mb ps,
so IEE E 802.11b an d IE EE 8 02.11g d evic es c an c oexist in t he s ame netwo rk. The
two st an da rds apply t o t he 2 .4 GHz frequenc y band. IEEE 802 .11 g c reates d at a-
rat e pa ri ty a t 2.4 GHz with the IEEE 8 02.11a s tandard, whic h has a 54 M bp s rate
at 5 GHz. (IEE E 802.11a h a s oth er di fferenc es c o mp ared t o IEEE 8 02. 11b or g,
su ch as of fering more ch annels .)
C han ne l
Drop-down menu th at allows selec tion of a sp ec ific c hannel.
A ut o C h an ne l
Aut o ch an n el scan timer i n min utes ( 0 to disabl e)
Tim er ( m in )
802. 11n /EWC
Wit h drop-down men u, "Aut o" is for 11n and "Dis ab le" is fo r 11 g
B andw idth
Drop-down menu specifi es th e f ollo wing band wid th: 20 MHz and 4 0M Hz.
C on t rol
This is av ail able for 40MHz. D rop -d ow n menu allo ws selec ting up per s ideb and o r
lower sideban d
S ide band
802. 11n R ate
Drop-down menu specifi es th e f ollo wing fixed rates. The maximum rate for
ban dwidth , 20M Hz, is 130M Hz a nd the maximum bandwid th, 40 MHz, is 2 70 MHz
802. 11n
It is simila r as 802.11g pro tectio n. In Auto mo de the ro uter will us e RTS/ CTS
Prot e ct ion
to improv e 802.11n performance in mixed 802 .11 n/ 8 02.11g / 8 02.11b netwo rks.
Tu rn protection off t o maximize 802. 11n thro ug hp ut under mo st c onditi ons.
S uppo rt
Drop-down menu all ows selecti ng "On/Off". Choo sing "On" allo ws the c lient w ith
11n on ly to conn ect , n ot fo r 11 g or 11b ; c hoo sing "Off " allo ws the cl ient w ith
802. 11n clie n t
11n /11g/ 11b to con n ect
on ly
54 g R ate
Drop-down menu th at specifies t he follo wing fixed rates: Aut o: D efault . Uses
th e 11 Mbps dat a rat e wh en pos sib le but d rops to lo wer rates w hen nec es sary.
1 Mbps, 2Mbps, 5.5Mbps, o r 11M bp s fixed rates. The appro priate set ting is
depen den t on si gn al st ren gth.
M ult icas t R at e
Set tin g mu lt ica st packet t ran smit ra te.
B as ic Rate
Set tin g basic tra nsmit ra te.
WIFI
20
F ra gm e n t a t io n
A t h re s h ol d , s pe ci f i e d i n by t e s , th a t de te r m i n e s w h e t h e r pa ck e ts w i l l be
f ragm e n te d an d a t w h at s i z e . O n a n 802. 11 W L A N , pa ck e ts t h at e x c e e d th e
T hre sh o ld
f ragm e n ta t i on t h re s h ol d a re fra g me n te d, i . e . , s pl i t i n to, s m a l l e r u n i t s s u i ta b l e
f or t h e ci rc u i t s i z e . Pa c ke t s s m a l l e r t h an t h e s pe ci fi e d f ra gm e n t a ti on th re s h o l d
v al u e a re n ot fra g m e n te d. E n t e r a v a l u e be tw e e n 256 a n d 2346. I f y ou
e x pe ri e n c e a h i gh pa ck e t e r ror ra te , tr y t o s l i gh tl y i n cre a s e y ou r F ra gm e n t a t i on
T hre s h o l d. T h e v a l u e s h ou l d re m a i n at i t s de f a u l t s e t ti n g of 2346 . S e t ti n g t h e
F ragm e n t a ti on T h re s h o l d too l ow m a y re s u l t i n poor pe rf orm a n ce .
RT S T h re s h ol d
R e qu e s t t o S e n d, w h e n s e t i n b yt e s , s pe ci f i e s t h e pa c k e t s i z e b e y on d w h i ch t h e
WL A N C a rd i n v ok e s i t s R T S /C T S m e ch a n i s m . Pa ck e t s th a t e x c e e d t h e s pe c i f i e d
R T S t h re s h o l d tr i g ge r th e R T S /C T S m e ch an i s m . T h e N I C t ra n s m i ts s m a l l e r pa ck e t
w i t h ou t u s i n g R T S /C T S . T h e de fa u l t s e t ti n g of 2 347 ( m a x i m u m l e n gth ) di s a bl e s
R T S T h re s h o l d.
DT IM I n t e rv a l
D el i v e ry Tra ff i c I n di ca t i on M e s s a ge ( DT I M) , a l s o k n ow n as Be a c on Ra t e . T h e
e nt ry ra n ge i s a va l u e b e t w e e n 1 a n d 6553 5. A DT I M i s a co u n tdo w n i n fo rm i n g
c l i e n t s of th e n e x t w i n d ow f or l i s te n i n g to b roa dc as t a n d m u l ti ca s t m e s s a ge s .
Wh e n t h e A P h a s bu f fe re d broa dc a s t or m u l t i ca s t m e s s a ge s f or as s oc i a t e d
c l i e n t s , i t s e n ds t h e n e x t DT I M w i th a DT I M I n t e rv a l v a l u e . A P C l i e n t s h e a r
t he be a con s a n d a w a k e n to re c e i v e th e broa dca s t a n d m u l t i ca s t m e s s a ge s . T h e
d ef a u l t i s 1.
Be a c o n I n t er v a l
T he a m ou n t of t i m e be tw e e n be ac on t ra n s m i s s i on s . E a ch b e a c on t ra n s m i s s i on
i d e n t i fi e s th e pre s e n c e of a n a c ce s s poi n t . B y d e f a u l t , ra d i o NI C s p as s i ve l y
s ca n a l l R F ch a n n e l s a n d l i s t e n f or b e a c on s com i n g f rom a cc e s s p oi n ts to f i n d
a s u i ta bl e a c ce s s poi n t . B e fo re a s ta t i on e n t e rs p ow e r s a ve m od e , t h e s t a ti on
n ee ds th e be a c on i n te r va l t o kn ow w h e n t o w a k e u p t o re ce i ve t h e be a con
( an d l e a rn w h e th e r t h e re are bu f fe re d fra m e s a t t h e a cc e s s p oi n t ) . T h e e n te re d
v al u e i s re pre s e n te d i n m s . D e f a u l t i s 100. A c ce pt a bl e e n tr y ra n ge i s 1 t o 0x ff ff
( 65 535)
G l ob a l M a x
T he d e v i ce c a n s u pp ort 4 S S I D , a n d e a c h S S I D c an s e t i ts ow n m a x c l i e n t s , bu t
i t c a n ' t b e bi gge r t h a n G l ob al ma x cl i e n ts . " G l ob a l Ma x C l i e n t s " l i m i t s t h e t ot a l
Cl i en t s
a ss oci a te d cl i e n ts o f t h e 4 S S I D .
Xpres s
TM
X pre s s T M Te c h n ol ogy i s c om pl i a n t w i t h dra f t s pe c i f i c a ti on s o f tw o pl a n n e d
w i re l e s s i n du s tr y s t a n da rd s .
Tec hn o lo gy
Tra n sm it Pow e r
T he rou t e r w i l l s e t di ff e re n t p ow e r ou tpu t ( by pe rce n ta ge ) a c cord i n g to t h i s
s e l e ct i on .
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