Meru Networks PSM3X MULTI RADIO 802.11a/b/g/n WIRELESS LAN ACCESS POINT User Manual AP Install AP300

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AP1000 Beta Test
Safety Precautions
Chapter 2
Installing AP300
Thi s chapt er descr i bes how t o i nst al l and conf i gur e an AP300. It cont ai ns t he f ol l ow i ng sect i ons:
 Safety Precautions
 Unpack the AP300
 Determine Power Requirements
 Installation Requirements
 Install the AP300
 Check AP300 LED Activity
 Check AP300 LED Activity
 Where to Go From Here
Safety Precautions
IMPORTANT—Read and f ol l ow t he r egul at or y i nst r uct i ons i n Appendi x B bef or e i nst al l i ng and oper at i ng
t hi s pr oduct .
If an opt i onal pow er suppl y i s used, i t must be one suppl i ed by Mer u Net w or ks.
The AP300 i s i nt ended onl y f or i nst al l at i on i n Envi r onment A as def i ned i n IEEE 802. 3af . Al l i nt er connect ed equi pment must be cont ai ned w i t hi n t he same bui l di ng, i ncl udi ng t he i nt er connect ed equi pment 's associ at ed LAN connect i on.
© 2010 Meru Networks, Inc.
Installing AP300 11
AP1000 Beta Test
Best Practices for an AP300/AP1000 Network
Best Practices for an AP300/ AP1000 Network
Read t his sect ion if you have bot h AP1000 and AP320i act ive simult aneously on t he same net work. The
f ollowing best pract ices should be f ollowed t o get opt imal perf ormance f rom such a mixed net work.
 AP320i and AP300 ar e i nt er changeabl e and f ul l y compat i bl e t o shar e a vi r t ual cel l . It 's l i ke havi ng
t w o AP300s w i t h di f f er ent ant ennas. The onl y di f f er ence i s t hat AP320i i s det ect ed as a such i n t he
UI of t he cont r ol l er.
 If possi bl e, do not depl oy AP1000 and AP300/ AP320i at t he same physi cal l ocat i on; w e r ecommend
t hat t her e be no over l appi ng cover age bet w een AP1000 and AP300.
 If AP1000 and AP300/ AP320i do have over l appi ng cover age, you have t w o opt i ons. Depl oy t hem on
seper at e channel s or make sur e t he ESS pr of i l es on bot h AP t ypes ar e uni que. The char t bel ow show s
t w o ESS scenar i os, one suppor t ed, one not suppor t ed.
Supported ESS Scenario
AP1000 Configuration
AP320i Configuration
Two Uni que ESS pr of i l es
ESS Pr of i l e name i n
cont r ol l er is Uni queName1
ESS Pr of i l e name in
cont r ol l er i s Uni queName2
AP1000 and AP320i SSID
st r i ng over t he ai r
Mer u
Mer u
Unsupported ESS Scenario
AP1000 Configuration
AP320i Configuration
Same ESS pr of i l es
ESS Pr of i l e name i n
cont r ol l er i s same name
ESS Pr of i l e name in
cont r ol l er i s same name
AP1000 and AP320i SSID
st r i ng over t he ai r
Mer u
Mer u
Assumpt ions f or t he above best pract ices include:
 AP1000 i s usi ng Vi r t ual Por t w i t h BSSID Vi r t ual Cel l .
 AP320i i s usi ng Vi r t ual Por t w i t h BSSID Vi r t ual Cel l .
 AP1000s and AP300s ar e on t he same channel . (AP1000 and AP320i coul d al so be on di f f er ent
channel s. )
 AP1000s and AP320i i s ar e on t he same cont r ol l er. (AP1000 and AP320i coul d al so be on di f f er ent
cont r ol l er s as l ong as each cont r ol l er has a uni que cont r ol l er i ndex. )
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AP1000 Beta Test
Unpack the AP300
Unpack the AP300
The AP300 ser i es has f i ve model s as show n bel ow .
Model
Radios
PSM3x
One a/ b/ g/ n, one spect r um
AP320
Two a/ b/ g/ n
AP311
One a/ b/ g/ n, one a/ b/ g
AP310
One a/ b/ g/ n
AP302
One a/ b/ g
Conf i r m t hat t he AP300 shi ppi ng package cont ai ns t hese i t ems:
 AP300 w i t h at t ached mount i ng br acket
 Si x ant ennas (f our f or PSM3x)
 Scr ew s f or t he mount i ng br acket
© 2010 Meru Networks, Inc.
Installing AP300 13
AP1000 Beta Test
Determine Power Requirements
Determine Power Requirements
Pow er r equi r ement s var y, dependi ng on w hi ch AP300 r adi os ar e depl oyed and w hat MIMO mode i s used.
See t he char t bel ow f or suppor t ed pow er sour ces f or di f f er ent r adi o conf i gur at i ons.
Radio 1 MIMO
Radio 2 MIMO
802. 3af PoE
802. 3at PoE
2x2
DC Power
2x2



2x2
3x3



3x3
2x2



3x3
3x3
Do not
r ecommend

l i mi t at ion
bel ow

802. af PoE Usage
When usi ng Syst em Di r ect or 3. 6/ 4. 0/ 4. 1 and 802. 3af PoE, Mer u suppor t s r adi os set t o any MIMO set t i ngs
except 3x3 on dual r adi os. Thi s i s because t w o r adi os set t o 3x3 MIMO usi ng an 802. 3af sw i t ch may not
have enough pow er i f t he cabl e i s t oo l ong. Shor t er cabl es f r equent l y w or k, how ever. Mer u suppor t s:
 Si ngl e 3x3 r adi o
 Dual 2 x 2 r adi os
 Dual r adi o w i t h one set t o 2x2 and t he ot her one set t o 3x3
When usi ng Syst em Di r ect or 4. 0 and 802. 3af , t he AP300 MIMO conf i gur at i on i s l i mi t ed t o t he f ol l ow i ng:
 3x3 f or t he 5 GHz r adi o
 2x2 f or t he 2. 4 GHz r adi o
802. 3at PoE Usage
When usi ng Syst em Di r ect or 3. 6/ 4. 0/ 4. 1 and 802. 3at , t he f ol l ow i ng r adi o combi nat i ons ar e r ecommended:
 Si ngl e 3x3 r adi o
 Dual 2 x 2 r adi os
 Dual r adi o w i t h one set t o 2x2 and t he ot her one set t o 3x3
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AP1000 Beta Test
Installation Requirements
 Dual 3x3 r adi os ar e r ecommended w i t h a l i mi t at i on. Use 802. 3at pow er f or t w o 3x3 MIMO r adi os
w hen t he sw i t ch has a hi gh enough pow er out put t o suppor t al l devi ces on t he PoE. Cal cul at e t he
amount of pow er needed by each AP300/ AP300i i n 3x3 mode (13 w at t s), add t hat t o pow er r equi r ed
by ot her PoE devi ces on t he sw i t ch and compar e t hat val ue t o t he t ot al pow er out put f r om t he
sw i t ch.
The cal cul at i on f or 802. 3at PoE use l ooks somet hi ng l i ke t hi s:
(Number of AP300s * 13watts) + (sum of all other PoE devices power requirements) <= switch
power provided
For a l i st of suppor t ed PoEs, see t he appendi x Supported Power Over Ethernet Devices for Meru APs
Installation Requirements
An ar r ay of hol es on t he mount i ng br acket al l ow s t he AP300 t o be mount ed on t he w al l and over j unct i on boxes or mol l y bol t s. Ther e ar e hol es f or passi ng t he PoE Et her net or ext er nal pow er suppl y cabl e
t hr ough t he br acket i f t he br acket i s mount ed on a j unct i on box. A t empl at e of t hi s br acket i s i ncl uded
i n Appendi x E of t hi s gui de.
The AP300 has a secur i t y cabl e sl ot so you can l ock t he AP300 w i t h a st andar d secur i t y cabl e, such as
t hose used t o secur e l apt op comput er s.
Pur chase opt i onal mount i ng ki t s t o mount t he AP300 ei t her f r om t he cei l i ng or i nsi de an encl osur e:
 Suspended Cei l i ng Rai l Mount i ng Ki t : ACC-MNT-SCRMKIT
 Above Suspended Cei l i ng Mount i ng Ki t (T-Bar Hanger ): ACC-MNT-ASCMKIT
 Insi de a Hof f man Encl osur e usi ng Hof f man compat i bl e mount i ng br acket : ACC-AP300-BHE (encl osur e
not pr ovi ded)
 Above hangi ng cei l i ng t i l es. Sui t abl e f or use i n envi r onment al ai r space i n accor dance w i t h t he
Sect i on 300-22(c) of t he Nat i onal El ect r i c Code and Sect i ons 2- 128. 12 - 010 (3) and 12 - 100 of t he
Canadi an El ect r i cal Code. Par t 1. C22. 1.
To compl et e AP300 i nst al l at i on, you need t he i t ems l i st ed bel ow.
Installation Type
Items Required
Hor i zont al mount i ng
None
Ver t i cal mount i ng over a wal l
st ud
© 2010 Meru Networks, Inc.

Two #6 x 2" wood screws f or a wood st ud; or

Two #6 x 1½” met al screws f or a met al st ud

Mount ing bracket
Installing AP300 15
AP1000 Beta Test
Install the AP300
Installation Type
Ver t i cal mount i ng on sheet r ock
Hor i zont al mount i ng bel ow a
hangi ng ceil i ng
Usi ng exi st i ng t hi r d par t y
br acket s
Items Required

Two #6 x 1" screws

Two #4-6 x 7/ 8” ribbed plast ic wall anchors

Mount ing bracket

Two caddy f ast eners

Two plast ic spacers

Two keps nut s (wit h at t ached lock washer)

Mount ing bracket

Use included shoulder screws

Two T-rail clips

One T-box hanger

One bracket mount ing clip

Mount ing bracket
Mount i ng above a cei l i ng t i l e
Addit ional Equipment
A pow er sour ce i s needed t o pow er t he AP300. See Determine Power Requirements.
Install the AP300
Select a Location
Attach the Provided Antennas
Install the Remote Antenna Mount (optional)
Install External ACC-ANT-MIMO-MNT Antenna with Three Connectors (optional)
Install Remote ACC-ANT-6ABGN-24 Antenna with Six Connectors (optional)
Install Antennas With One Connector (optional)
Install the Access Point
Select a Locat ion
Al l AP300 i nt er connect ed equi pment , i ncl udi ng t he associ at ed LAN connect i on, must be cont ai ned
w i t hi n t he same bui l di ng. In addi t i on, t he AP300 l ocat i on shoul d meet t he f ol l ow i ng condi t i ons:
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AP1000 Beta Test
Install the AP300
 Rel at i vel y unobst r uct ed access t o t he st at i ons t he AP ser ves. Sel ect a l ocat i on w i t h mi ni mal physi cal
obst r uct i ons bet w een t he AP and t he w i r el ess st at i ons. In an of f i ce w i t h cubi cl es, mount i ng t he APs
bel ow a hangi ng cei l i ng (pl enum i s suppor t ed) or t he w al l near t he cei l i ng pr ovi des t he l east
obst r uct ed communi cat i ons pat h. On a w al l , or i ent t he AP300 hor i zont al l y so t hat you can r ead t he
Mer u l ogo w i t hout t i l t i ng your head at 90 degr ees - t hi s or i ent at i on pr ovi des opt i mum MIMO
per f or mance.
 Access t o w al l out l et or a t o a Pow er over Et her net (PoE) connect i on t o t he net w or k sw i t ch ser vi ci ng
t he cont r ol l er.
 We r ecommend pl anni ng f or about 50 cl i ent s per r adi o (or per i nt er f er ence r egi on) i f you pl an t o
use Vi r t ual Por t and pl an t o have phones as cl i ent s. For a dat a-onl y i nst al l at i on, pl an up t o 128
cl i ent s per r adi o, meani ng 256 f or AP320 and 128 f or ot her AP300 model s. Ref er t o t he Mer u
Depl oyment Gui des on t he suppor t si t e f or mor e i nf or mat i on.
AP300 i s desi gned t o pr ovi de 360 degr ee omni -di r ect i onal cover age as i l l ust r at ed bel ow. Pl an pl acement w i t h t hi s pat t er n i n mi nd.
Figure 7: Coverage Pattern for AP300 When Ceiling Mounted
ceiling
floor
Most i nst al l at i ons r ecei ve t he best cover age usi ng t he f ol l ow i ng gui del i nes:
 Inst al l APs t ow ar d t he cent er of t he bui l di ng.
 Pl ace APs about 80 f eet apar t .
 Do not i nst al l APs near met al obj ect s, such as heat i ng duct s, met al door s, or el ect r i c ser vi ce panel s.
 For best cover age, or i ent ant ennas as show n i n Figure 6 .
At t ach t he Provided Ant ennas
Al l AP300s have si x ext er nal ant enna por t s, l abel ed 1 - 6. These uni t s oper at e w i t h si x ant ennas
at t ached, even t hough some conf i gur at i ons don’ t use al l si x. Inst ead of at t achi ng an ant enna, you can
cap unused ant enna connect or s w i t h 50 ohm Rever se Pol ar i t y SMA t er mi nat or s. (For a l i st of appr oved
t er mi nat or s, see ht t p: / / w w w. mer unet w or ks. com/ mer usuppor t . ) Mer u suppl i ed ant ennas ar e sui t abl e
onl y f or i ndoor use unl ess t hey ar e mount ed i n an out door encl osur e (see Mount AP300 in a Hoffman
Enclosure ). To achi eve t he best per f or mance f r om your AP300, posi t i on ant ennas at a 90 degr ee angl e
r el at i ve t o each ot her as show n i n Figure 6 . The ant ennas do not have t o be or i ent ed exact l y as show n
i n t he f i gur e, but i t i s i mpor t ant t o mai nt ai n t he r el at i ve angl es. If f or some r eason you ar e unabl e t o
mai nt ai n t hose angl es, t he net w or k st i l l oper at es, but you may exper i ence up t o 20% dr op i n t hr oughput
dependi ng on t he ant enna or i ent at i on.
© 2010 Meru Networks, Inc.
Installing AP300 17
AP1000 Beta Test
Install the AP300
Figure 6: AP320, AP311 or AP302 Antennas 1-6 in Ceiling and Wall Mount Configuration
6 (vertical)
5 (horizontal)
3 (vertical)
1 (horizontal)
2 (horizontal)
4 (horizontal)
The f ol l ow i ng ant enna connect i ons ar e used dur i ng oper at i on of t he AP320, AP311, and AP302. Not e
t hat PSM3x APs w i l l onl y have f our ant ennas, r at her t han t he t ypi cal si x.
Table 1: AP3 0 0 With Two Radios and Corresponding Antennas
Model
Radio 1 (Ant4, Ant5, Ant6)
Radio 2 (Ant1, Ant2, Ant3)
PSM3x
a/ b/ g/ n wi t h 3 dual band omni -di r ect i onal
ant ennas (onl y one r adi o can be N)
Spect r um r adi o wi t h one omni -di r ect i onal
ant enna.
AP320
a/ b/ g/ n wi t h 3 dual band omni -di r ect i onal
ant ennas
a/ b/ g/ n wi t h 3 dual band omni -di r ect i onal
ant ennas
AP311
a/ b/ g/ n wi t h 3 dual band omni -di r ect i onal
ant ennas (onl y one r adi o can be N)
a/ b/ g/ n wi t h 3 dual band omni -di r ect i onal
ant ennas (onl y one r adi o can be N)
AP302
a/ b/ g wi t h 3 dual band omni -di r ect i onal
ant ennas
a/ b/ g wi t h 3 dual band omni -di r ect i onal
ant ennas
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Meru Access Point Installation Guide
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AP1000 Beta Test
Install the AP300
Table 2: AP3 1 0 With One Radios and Corresponding Antennas
Model
AP310
Radio 1 (Ant1, Ant2, Ant3)
a/ b/ g/ n wi t h 3 dual band omni -di r ect i onal ant ennas
The AP310 has si x ext er nal ant enna por t s l abel ed 1 - 6. How ever, AP310 uses onl y t hr ee of t hose
ant ennas and t he unused ant enna connect or s ar e bl ocked. Figure 7 i l l ust r at es t he r ecommended
ant enna conf i gur at i on f or t he AP310.
Figure 7: AP310 Antennas 1-3
does not matter
3 (vertical)
does not matter
1 (horizontal)
2 (horizontal)
does not matter
The f ol l ow i ng ant enna connect i ons ar e used dur i ng oper at i on of t he AP310.
Radio 1 Antenna Connectors for AP310
Radio2 Antenna Connectors for AP310
Ant 1, Ant 2, Ant 3
NA
Do not l eave any ant enna connect or s unt er mi nat ed. Al l connect or s on t he AP must be t er mi nat ed w i t h
ant ennas or w i t h 50 ohm Rever se Pol ar i t y SMA t er mi nat or s. (For a l i st of appr oved t er mi nat or s, see
ht t p: / / w w w. mer unet w or ks. com/ mer usuppor t .
The at t ached ant ennas must be t he same model ; i f you r epl ace one ant enna, r epl ace t hem al l .
© 2010 Meru Networks, Inc.
Installing AP300 19
AP1000 Beta Test
Install the AP300
Inst all t he Remot e Ant enna Mount (opt ional)
Use t he opt i onal Mer u Remot e Ant enna Mount (ACC-ANT-MIMO-MNT) f or one or bot h AP300 r adi os t o
r emot el y connect t he AP300 ant ennas. The Remot e Ant enna Mount al l ow s you t o r el ocat e ei t her your
cur r ent ant ennas or t he opt i onal hi gh-gai n di pol e ant ennas t o a l ocat i on w i t h cl ear er si gnal pat hs t o
t he ot her w i r el ess devi ces i n your net w or k. The Remot e Ant enna Mount can be i nst al l ed ei t her bel ow
t he cei l i ng t i l e or on t he w al l . The def aul t or i ent at i on f or t he mount i s sui t abl e f or a cei l i ng mount ,
but you can at t ach t he mount t o a w al l w i t h some modi f i cat i ons.
Use one mount per r adi o; f or exampl e AP310 needs one uni t , and AP320 needs t w o uni t s. The Remot e
Ant enna Mount uses l ow -l oss pl enum r at ed LMR195 cabl e and SMA connect or s. To or der t hi s uni t ,
cont act your Mer u sal es r epr esent at i ve and r ef er t o par t number ACC-ANT-MIMO-MNT.
00224
Figure 8: Remote Antenna Mount
The r emot e ant enna mount ki t i ncl udes:
 Ant enna st and w i t h at t ached cabl e. The t hr ee ant enna SMA f emal e connect or s on t he Ant enna
Mount suppor t AP300 ant enna di ver si t y. Thi s f eat ur e gi ves t he cl i ent t he abi l i t y t o aut omat i cal l y
choose t he ant enna r ecei vi ng t he st r ongest si gnal .
 Tr i angul ar cei l i ng mount cl i p f or at t achi ng t o hangi ng cei l i ng (i ncl udes bol t assembl y)
 Thr ee sel f -adhesi ve pads f or t he bot t om of t he uni t (over t he scr ew s)
 Tw o w al l mount scr ew s w i t h anchor s
 Cei l i ng Mount Templ at e
 Inst al l at i on di agr am
Install the Remote Antenna Mount on the Ceiling
To connect t he Remot e Ant enna Mount t o t he cei l i ng, r ef er t o t he i nst al l at i on di agr am f r om t he shi ppi ng box w hi l e f ol l ow i ng t hese st eps:
1. At t ach t he shor t er end of t he scr ew t o t he cent er hol e on t he back of t he Ant enna Mount .
2. Remove t he desi gnat ed cei l i ng t i l e.
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AP1000 Beta Test
Install the AP300
3. Usi ng t he t empl at e, dr i l l hol es i n t he cei l i ng t i l e.
4. Repl ace t he cei l i ng t i l e.
5. Remove a cei l i ng t i l e adj acent t o t he new l y dr i l l ed t i l e f or access pur poses.
6. Feed t he Ant enna Mount cabl e t hr ough t he l ar ger hol e i n t he cei l i ng t i l e unt i l t he Ant enna Mount
i s f l ush w i t h t he cei l i ng. The scr ew shoul d now be vi si bl e above t he cei l i ng t i l e (t hr ough t he second
hol e).
7. Pl ace t he t r i angul ar pl at e above t he cei l i ng t i l e w i t h t he scr ew al i gned t hr ough t he pl at e.
8. Dr op t he w asher ont o t he scr ew and t i ght en t he bol t .
The Ant enna Mount i s now connect ed t o t he cei l i ng.
9. Repl ace t he adj acent t i l e.
10. Connect t he t hr ee Remot e Ant enna Mount cabl es t o t he appr opr i at e connect or s on t he AP300. Be
sur e t o connect t he t hr ee ant ennas t hat cor r espond t o one r adi o. Radi o 1 uses A1, A2, A3 and Radi o
2 uses A4, A5, A6.
A6
A5
Meru
A4
A3
A2
A1
11. At t ach t hr ee ant ennas t hat shi pped w i t h AP300 t o t he t hr ee connect or s on t he t r i angul ar r emot e
devi ce. See Figure 8 .
Install the Remote Antenna Mount on a Wall
1. Reor i ent t he cabl e on t he Remot e Ant enna Mount by r emovi ng t he t hr ee scr ew s on t he back,
r emovi ng t he smal l cover, r eor i ent i ng t he cabl e and t hen r epl aci ng t he t hr ee scr ew s. Di scar d t he
smal l cover.
2. Connect t he t hr ee Remot e Ant enna Mount cabl es t o t he appr opr i at e por t s on t he AP300. Be sur e t o
connect t he t hr ee ant ennas t hat cor r espond t o one r adi o. Radi o 1 uses A1, A2, A3 and Radi o 2 uses
A4, A5, A6. PSM3x devi ces onl y ut i l i ze A1, A2, A3, and A5.
A6
A5
Meru
A4
A3
A2
A1
3. At t ach t hr ee of t he ant ennas t hat shi pped w i t h AP300 t o t he t hr ee por t s on t he t r i angul ar r emot e
devi ce.
4. Or i ent t he connect ed AP300 hor i zont al l y so t hat you can r ead t he Mer u l ogo w i t hout t i l t i ng your
head at 90 degr ees - t hi s or i ent at i on pr ovi des opt i mum MIMO per f or mance.
© 2010 Meru Networks, Inc.
Installing AP300 21
AP1000 Beta Test
Install the AP300
Inst all Ext ernal ACC-ANT-MIMO-MNT Ant enna wit h Three Connect ors
(opt ional)
You can opt i onal l y use an ext er nal ant enna set up w i t h your AP300 i f t he cont r ol l er and APs ar e r unni ng
Syst em Di r ect or 3. 6. 1MR4 and l at er. Mer u suppor t s t hi s ant enna f or use on one r adi o usi ng 802. 11n
MIMO. An AP300 w i t h one r adi o, f or exampl e AP310, needs one ant enna. An AP300 w i t h t w o r adi os, f or
exampl e AP320, needs t w o ant ennas. Radi o One ant enna cabl es connect t o por t s A1, A2, and A3. Radi o
Tw o cabl es connect t o por t s A4, A5, and A6. Ther e i s no pr ef er r ed cabl i ng connect i on; al l t hr ee cabl es
ar e t he same.
Cal cul at e t he ant enna gai n f or t he ACC-ANT-MIMO-MNT ant enna by r ef er r i ng t o t he next t hr ee char t s:
Band of Operation
Gain
Vertical Beamwidth
Horizontal Beamwidth
2. 40-2. 483 GHz
2. 5dB
55 degr ees
360 degr ees
5. 15-5. 85 GHz
4dB
60 degr ees
360 degr ees
Using This Cable Type with 2. 4 GHz
Calculate This Loss per Foot
RG174
0. 60 dB
RG316
0. 48 dB
LMR100
0. 39 dB
LMR200
0. 17 dB
LMR240
0. 13 dB
LMR400
0. 066 dB
LMR600
0. 043 dB
Using This Cable Type with 5 GHz
Calculate This Loss per Foot
RG174
1. 02
RG316
0. 76
LMR100
0. 59 dB
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AP1000 Beta Test
Install the AP300
Using This Cable Type with 5 GHz
Calculate This Loss per Foot
LMR200
0. 24 dB
LMR240
0. 19 dB
LMR400
0. 100 dB
LMR600
0. 066 dB
© 2010 Meru Networks, Inc.
Installing AP300 23
AP1000 Beta Test
Install the AP300
Inst all Remot e ACC-ANT-6ABGN-24 Ant enna wit h Six Connect ors
(opt ional)
You can opt i onal l y use an ext er nal ant enna set up w i t h your AP300 i f t he cont r ol l er and APs ar e r unni ng
Syst em Di r ect or 3. 6. 1MR4 and l at er. Mer u suppor t s t hi s ant enna f or use on AP300s w i t h t w o r adi os, f or
exampl e AP320. Thi s ant enna has si x connect or s t o connect t o bot h r adi os t o a dual -r adi o AP300 and
i t suppor t s 802. 11n MIMO oper at i on.
The si x cabl es on t he ACC-ANT-6ABGN-24 ant enna ar e al r eady t agged w i t h t he number s 1 - 6. Connect
t he ant enna cabl es t o t he AP ant enna por t s as show n her e:
Meru AP300 Antenna
Connector
A5
Antenna Cable Numbered
A1
A2
A3
A4
A5
A6
A6
antenna
AP300
A4 A3 A2 A1
Cal cul at e t he ant enna gai n f or t he ACC-ANT-6ABGN-24 ant enna by r ef er r i ng t o t he next t hr ee char t s:
Band of Operation
Gain
Vertical Beamwidth
Horizontal Beamwidth
2. 40-2. 483 GHz
2. 5dB
55 degr ees
360 degr ees
5. 15-5. 85 GHz
4dB
60 degr ees
360 degr ees
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Meru Access Point Installation Guide
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AP1000 Beta Test
Install the AP300
Using This Cable Type with 2. 4 GHz
Calculate This Loss per Foot
RG174
0. 60 dB
RG316
0. 48 dB
LMR100
0. 39 dB
LMR200
0. 17 dB
LMR240
0. 13 dB
LMR400
0. 066 dB
LMR600
0. 043 dB
Using This Cable Type with 5 GHz
Calculate This Loss per Foot
RG174
1. 02
RG316
0. 76
LMR100
0. 59 dB
LMR200
0. 24 dB
LMR240
0. 19 dB
LMR400
0. 100 dB
LMR600
0. 066 dB
Inst all Ant ennas Wit h One Connect or (opt ional)
You can opt i onal l y use an ext er nal ant enna set up w i t h your AP300 i f t he cont r ol l er and APs ar e r unni ng
Syst em Di r ect or 3. 6. 1MR4 or 4. 0.
When depl oyi ng an AP300 w i t h onl y one ant enna per r adi o, AP300 cannot suppor t 802. 11n MIMO oper at i on. Al so, any ant enna por t s t hat ar e not used t o connect t o an ant enna must be t er mi nat ed w i t h 50
ohm Rever se Pol ar i t y SMA t er mi nat or s. (For a l i st of appr oved t er mi nat or s, see ht t p: / / w w w. mer unet w or ks. com/ mer usuppor t . ) Connect t he ant enna usi ng one cabl e per r adi o as descr i bed i n t he t abl e
bel ow. These i nst r uct i ons can be used t o r epl ace an AP200 exi st i ng ant enna conf i gur at i on w i t h an
AP300. For t hese i nst r uct i ons, each por t on t he AP300 i s i dent i f i ed by a l abel A1 t o A6.
© 2010 Meru Networks, Inc.
Installing AP300 25
AP1000 Beta Test
Install the AP300
AP Has One BG or A Radio, One Antenna
A6
A5
Meru
A4
A3
A2
A1
(BG or A radio antenna)
AP Has Two Radios (BG and A), One Antenna For Each
A6
A5
(BG radio antenna)
Meru
A4
A3
A2
A1
(A radio antenna)
AP Has One Radio, Two Antennas
A6
A5
Meru
(BG or A radio antenna)
A4
A3
A2
A1
(BG or A radio antenna)
AP Has Two Radios, Four Antennas
A6
A5
(BG radio antenna)
Meru
(BG radio antenna)
A4
A3
A2
A1
(A radio antenna)
(A radio antenna)
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AP1000 Beta Test
Install the AP300
Inst all t he Access Point
AP300 shi ps w i t h a det achabl e mount i ng br acket . The AP300 i s desi gned t o be compat i bl e w i t h br acket s
suppl i ed by Mer u and by ot her vendor s as f ol l ow s. The AP300 mount s di r ect l y on t he AP150 mount i ng
br acket . If you ar e r epl aci ng AP200s/ AP300s, t he AP300 br acket can be mount ed on t he ol d
AP200s/ AP300s br acket w i t h i ncl uded shoul der scr ew s; you don’ t need t o r emove t he ol d br acket s.
AP300 can al so be di r ect l y mount ed on t hi r d-par t y br acket s such as Pr oxi m AP4000 and Ci sco st andar d
br acket s.
You can mount an AP300 i n t he f ol l ow i ng w ays:
 Mount AP300 Horizontally on a Shelf
 Mount AP300 Vertically on a Wall
 Mount AP300 Below a Suspended Ceiling
 Mount AP300 Above a Suspended Ceiling (Plenum)
 Mount AP300 Above a Suspended Ceiling (Plenum)
 Mount AP300 in a Hoffman Enclosure
Mount AP300 Horizontally on a Shelf
When mount i ng an AP300 hor i zont al l y, r emove t he mount i ng br acket . Be sur e t o posi t i on t he ant ennas
ver t i cal l y w hen an AP300 si t s on a sur f ace.
Mount AP300 Vertically on a Wall
Note:
If you ar e r epl aci ng AP150s, you can use t he exi st i ng br acket s: t he AP150 and AP300 use t he
same br acket . If you ar e r epl aci ng AP300s, t he AP300 br acket can be at t ached t o t he ol d br acket w i t h
i ncl uded shoul der scr ew s; you don’ t have t o r emove t he ol d br acket s. Thi s br acket w i l l al so mount
seaml essl y i nt o t he Pr oxi m AP4000 br acket and st andar d Ci sco br acket s.
To mount an AP300 on a w al l :
1. Usi ng t he br acket hol es as a gui de, mar k t he l ocat i on on t he w al l f or t he t w o AP br acket mount i ng
scr ew s. If possi bl e, cent er t he mount i ng scr ew s on a w al l st ud. If you do not cent er t he mount i ng
scr ew s on a w al l st ud, use pl ast i c w al l anchor s. Or i ent t he AP300 hor i zont al l y so t hat you can r ead
t he Mer u l ogo w i t hout t i l t i ng your head at 90 degr ees - t hi s or i ent at i on pr ovi des opt i mum MIMO
per f or mance.
2. Dr i l l hol es at t he l ocat i ons you mar ked:
— 3/ 16-i nch hol es i f you ar e usi ng pl ast i c anchor s
— 1/ 8-i nch hol es i f you ar e usi ng onl y t he scr ew s
3. If you ar e usi ng pl ast i c anchor s, i nst al l t hem i n t he hol es.
4. Scr ew i n t he scr ew s most of t he w ay.
5. Mount t he br acket on t he scr ew s, pl aci ng t he ci r cul ar por t i on of t he keyhol e mount s over t he scr ew
heads and sl i di ng t he br acket dow n.
6. Connect one end of t he Et her net cabl e t o t he sw i t ch and t he ot her end t o t he AP300 Et her net por t .
© 2010 Meru Networks, Inc.
Installing AP300 27
AP1000 Beta Test
Install the AP300
Caution!
Be sure t o connect t he Et hernet cable t o t he Et hernet port ; t he cable can
mist akenly be plugged int o t he Console port . If you do t his, t he AP won’ t power up.
7. If you ar e not usi ng a PoE devi ce, connect an ext er nal pow er suppl y t o t he pow er connect or and
pl ug i t i nt o t he w al l .
Mount AP300 Below a Suspended Ceiling
The opt i onal suspended cei l i ng mount i ng ki t ( ACC-MNT-SCRMKIT) al l ow s t he AP300 mount i ng br acket
t o at t ach t o suspended cei l i ng T-r ai l s (see Figure 9 ).
Note: To compl y w i t h NEC code, at t ach a gr oundi ng w i r e t o any of t he scr ew s used t o at t ach t he AP300
t o t he mount i ng br acket .
Figure 9: Mounting any AP to a Suspended Ceiling Rail using ACC-MNT-SCRMKIT
Suspended ceiling T-rail
Caddy fastener
Spacer
Washer
00257
Mounting bracket
To mount an AP300 bel ow a suspended cei l i ng:
1. Det er mi ne t he l ocat i on on t he cei l i ng r ai l w her e t he AP w i l l be mount ed and r emove t he cei l i ng
t i l es.
2. Pl ace each of t he t w o caddy f ast ener s on t he cei l i ng T-r ai l and t w i st t o at t ach t o t he r ai l .
3. Adj ust t he di st ance bet w een t he caddy f ast ener s by usi ng t he mount i ng br acket hol es as a gui de.
4. Ti ght en t he caddy f ast ener s i n pl ace usi ng a st andar d scr ew dr i ver. Do not over t i ght en.
5. Pl ace each spacer on t he caddy f ast ener st ud. The spacer l egs shoul d cont act t he cei l i ng T-r ai l .
6. Al i gn t he mount i ng br acket keyhol es w i t h t he caddy f ast ener st uds and sl i de t he AP300 t o t he
nar r ow end of t he hol e.
7. At t ach a keps nut t o each caddy f ast ener st ud and hand t i ght en. Do not over t i ght en.
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AP1000 Beta Test
Install the AP300
8. Al i gn t he AP300 mount i ng post s over t he ci r cul ar por t i on of t he keyhol e mount s, push t he AP i n and
sl i de t he AP dow n unt i l i t engages w i t h t he l ocki ng det ent s (see Figure 9 ). You shoul d hear i t snap
i n pl ace.
9. For each ant enna, l oosen t he knur l ed r i ng at t he base of t he ant enna, or i ent t he ant enna and t hen
r et i ght en t he r i ng.
10. Connect one end of t he PoE 100BaseT Et her net cabl e t o t he 100/ 1000 Et her net connect or.
Caution!
Be sure t o connect t he Et hernet cabl e t o t he Et hernet port ; t he cable can
mist akenly be plugged int o t he Console port . If you do t his. t he AP won’ t power up.
© 2010 Meru Networks, Inc.
Installing AP300 29
AP1000 Beta Test
Install the AP300
Mount AP300 Above a Suspended Ceiling (Plenum)
Use t he opt i onal T-bar box hanger mount i ng ki t (see Mounting Brackets f or t he par t number ) t o mount
AP300 above suspended cei l i ng T-r ai l s (see Figure 10 and Figure 11 ). The i nst al l at i on at t aches t he Tbar box hanger t o t he cei l i ng r ai l s and t hen t he AP300 at t aches t o t he T-bar box hanger. We r ecommend
t hat you mount t he AP300 no mor e t han hal f w ay up t he suppor t s as show n i n bot h Figure 10 and
Figure 11 . Al so not e t hat AP300 mount ed above t he cei l i ng has about 2-3 dBm l ess RF cover age t han
AP300 mount ed under t he cei l i ng.
00233
00243
Figure 10: AP300 Mounted Above a Suspended Ceiling Face Down
The second exampl e above i s mount ed t oo hi gh on t he suppor t r ai l s, w hi ch coul d cause t he r ai l s t o
bend.
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AP1000 Beta Test
Install the AP300
00232
Figure 11: AP300 Mounted Above a Suspended Ceiling Face Up
The AP300 w i t h t he met al encl osur e exposed meet s t he r equi r ement s f or f i r e r esi st ance and l ow
smoke-gener at i ng char act er i st i cs r equi r ed by Sect i on 300-22(C) of t he Nat i onal El ect r i cal Code (NEC)
f or i nst al l at i on i n a bui l di ng’ s envi r onment al ai r space.
You may need t o modi f y t hi cker t i l es t o suppor t t hi s i nst al l at i on.
Warning! When i nst al l ed i n ai r -handl i ng spaces, such as above a suspended cei l i ng,
pow er t he AP300 onl y w i t h a PoE, not a pow er suppl y. See Power Supplies f or par t
number s.
Warning! Any Fast Et her net (FE) cabl es i nst al l ed i n ai r -handl i ng spaces shoul d be
sui t abl e under NEC Ar t i cl e 800. 50 and mar ked accor di ngl y f or use i n pl enums and ai r handl i ng spaces w i t h r egar d t o smoke pr opagat i on, such as CL2-P, CL3-P, MPP (Mul t i
Pur pose Pl enum), or CMP (Communi cat i ons Pl enum). Use Et her net cabl e t hat meet s
t he r equi r ement s f or oper at i ng i n pl enums and envi r onment al ai r space i n
accor dance w i t h Sect i on 300-22(C) of t he NEC.
© 2010 Meru Networks, Inc.
Installing AP300 31
AP1000 Beta Test
Install the AP300
To mount an AP300 above t he cei l i ng w i t h t he opt i onal T-bar ki t , f ol l ow t hese st eps:
1. Det er mi ne t he l ocat i on on t he cei l i ng r ai l s w her e t he AP w i l l be mount ed and r emove t he cei l i ng
t i l e.
2. Unpack t he T-bar hanger ki t and unf ol d t he l egs of t he T-bar hanger.
3. Locat e t he br acket mount i ng cl i p hol es on t he mount i ng br acket (see Figure 10 ). One hol e at t aches
t he br acket per pendi cul ar t o t he box hanger ; t he ot her mount s t he br acket par al l el t o t he box
hanger.
4. At t ach t he U-j oi nt of t he cl i p t o t he T-bar and snap i n pl ace (see Figure 12 ).
Figure 12: Attaching the Mounting Bracket to the Box Hanger for Face Up Orientation
00104
Figure 13: Attaching the Mounting Bracket to the Box Hanger for Face Down Orientation
00104
5. Pass t he l ong end cl i p t hr ough t he l ar ge cent er hol e t o t he under si de of t he mount i ng br acket cl i p
and t hen at t ach t he br acket t o t he cl i p usi ng t he suppl i ed scr ew (see Figure 12 f or or i ent at i on).
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AP1000 Beta Test
Install the AP300
6. Hol d t he AP300 next t o t he mount i ng br acket t o est i mat e t he hei ght of t he T-bar box hanger. You
need t o pr ovi de enough cl ear ance f or t he ext er nal ant ennas t hat poi nt dow n, w hi l e mount i ng t he
T-bar on t he l ow er hal f of t he suppor t r ai l s f or st abi l i t y.
7. Adj ust t he hei ght of t he box hanger usi ng t he hei ght adj ust i ng scr ew s (see Figure 9 ).
8. Cl i p t he box hanger T-r ai l cl i ps t o t he cei l i ng r ai l s, maki ng sur e t hey ar e secur el y at t ached.
9. Connect a dr op w i r e t o a bui l di ng st r uct ur al el ement and t hr ough t he hol e pr ovi ded i n t he br acket
mount i ng cl i p. The U. S. Nat i onal El ect r i cal Saf et y Code r equi r es t hi s addi t i onal suppor t .
10. Connect t he post s of t he AP300 t o t he t hr ee keyhol es of t he mount i ng br acket and sl i de i nt o t he
keyhol e, ensur i ng t he l ocki ng det ent i s engaged. You w i l l hear a cl i ck.
11. For each ant enna, l oosen t he knur l ed r i ng at t he base of t he ant enna, poi nt t he ant enna dow n, t hen
r et i ght en t he r i ng.
12. Connect one end of t he PoE Et her net cabl e t o t he Et her net connect or.
Caution!
Be sure t o connect t he Et hernet cabl e t o t he Et hernet port ; t he cable can
mist akenly be plugged int o t he Console port . If you do t his. t he AP won’ t power up.
Note:
Use a shi el ded Cat 5e (or gr eat er ) Et her net cabl e i n or der t o compl y wi t h
i nt er nat i onal el ect r omagnet i c emissi ons l imi t s.
13. Check t hat t he AP300 i s oper at i ng cor r ect l y bef or e r epl aci ng t he cei l i ng t i l e t o t he cei l i ng. Ver i f y
cor r ect oper at i ng usi ng t he LEDs, as show n i n Check AP300 LED Activity.
Mount AP300 in a Hoffman Enclosure
Mer u has desi gned a cust om mount i ng br acket compat i bl e w i t h a Hof f man encl osur e ( w ww. hof fmanonline. com ). Thi s br acket i s avai l abl e excl usi vel y t hr ough Mer u and or der abl e as par t number ACC-AP300BHE. To mount an AP300 i n a Hof f man encl osur e, f ol l ow t hese st eps:
1. Pl ace AP300 upsi de dow n on a sof t f l at sur f ace.
2. Remove and di scar d t he w al l / cei l i ng mount i ng br acket .
3. At t ach ei t her t he pr ovi ded ant ennas or an ext er nal ant enna.
4. Remove and di scar d t he f our r ubber f eet .
5. Posi t i on t he Hof f man br acket (ACC-AP300-BHE) ont o t he back of t he AP300 w i t h t he f our Hof f man
mount i ng scr ew s f aci ng dow nw ar ds.
© 2010 Meru Networks, Inc.
Installing AP300 33
AP1000 Beta Test
Check AP300 LED Activity
00230
Figure 14: Hoffman Bracket ACC-AP3 0 0 -BHE
6. Usi ng a Phi l l i ps scr ew dr i ver, at t ach t he br acket usi ng t he t w o suppl i ed 6-32 3/ 16 SEMS scr ew s.
7. Fl i p t he assembl y over and mount i nt o t he Hof f man encl osur e, at t ach t he Et her net cabl e t o t he
AP300 r ot at i ng t he assembl y t o pl ace t he Et her net cabl e w i t hi n t he encl osur e.
8. Usi ng a Phi l l i ps scr ew dr i ver, t i ght en t he f our br acket scr ew s t o t he encl osur e.
9. Adj ust t he ant ennas as needed.
Check AP300 LED Activity
When AP300 f i r st connect s t o t he cont r ol l er (and any t i me t he access poi nt i s r eboot ed), t he AP i ni t i al i zes and i s t hen pr ogr ammed by t he cont r ol l er. When t he AP f i r st pow er s up, al l LEDs ar e gr een.
Figure 15: AP300 Status LEDs
00217
Af t er t he AP300 i s connect ed, check t he st at us of t he LEDs. The f unct i ons of t he f i ve LEDs ar e descr i bed
bel ow.
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Meru Access Point Installation Guide
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AP1000 Beta Test
Check AP300 LED Activity
AP300/ AP300i LED Descriptions
LED
Power
Function
Troubleshooting
of f —no power
gr een—pr esence of power
of f —no power
gr een—boot i ng st age 1
bl i nki ng gr een and of f —boot i ng st age 2
bl i nki ng gr een and whi t e—di scover i ng t he
cont r ol l er
St at us
bl i nki ng gr een and bl ue—downl oadi ng a
conf i gur at ion f r om t he cont r ol l er
bl i nki ng bl ue and of f —AP i s onl i ne and
enabl ed, wor ki ng st at e
If t he st at us LED i s bl i nki ng r ed and
yel l ow, t her e i s an al ar m on t he AP.
Det er mi ne what t he al ar m i s by
cl i cki ng Monit or > Dashboard >
Alarms and l ooki ng at t he AP al ar ms.
You can al so use t he CLI commands
show alarm and show log.
bl i nki ng r ed and yel l ow—f ai l ur e; consul t
cont r ol l er f or al ar m st at e
of f —no power or no l i nk
LAN
gr een—l i nk st at us OK
(at any speed)
gr een/ bl i nki ng—act i vi t y (at any speed)
r ed—aut o negot i at i on f ai l ur e
of f —no r adi o pr esent
Radi o 1
Radi o 2
gr een—r adi o enabl ed
gr een bl i nki ng—dat a act i vi t y
yel l ow—di sabl ed or i n scanni ng mode
r ed—f ai l ur e
© 2010 Meru Networks, Inc.
If t he LAN LED i s r ed, aut o
negot i at i on f ai l ed. Thi s means t hat
you have a pr obl em w it h cabl i ng or
wi t h t he AP’ s swi t ch.
If one of t he r adi o LEDs i s yel l ow, i t i s
ei t her di sabl ed or i n scanni ng mode.
To see i f t he AP i s di sabl ed, cl i ck
Configurat ion > Wireless > Radio >
sel ect a r adi o and t hen l ook at
Admi ni st r at i ve St at us, whi ch shoul d
be set t o Up . To see i f t he AP i s i n
Scanni ng Mode, cl i ck Configurat ion >
Wireless > Radio > sel ect a r adi o and
l ook at AP Modes, w hi ch shoul d be set
t o Normal Mode .
If one of t he r adi o LEDs i s r ed, t he
r adi o f ai l ed. Check t he al ar ms
( Monit or > Dashboard > Alarms) ,
di agnost i cs ( Monit or > Diagnost ics >
Radio) , and st at i st ics ( Monit or >
Dashboard > Radio) on t he AP’ s
cont r ol l er t o det er mi ne t he cause.
Installing AP300 35
AP1000 Beta Test
Where to Go From Here
Change LED Appearance
If you w ant t o change t he appear ance of t he LEDS, f ol l ow t hese st eps:
1. Fr om t he cont r ol l er, cl i ck Configurat ion > Devices > AP, and t hen sel ect t he AP.
2. Sel ect one of t hese set t i ngs f or t he LED Mode set t i ng:
— Nor mal: LEDs ar e as descr i bed bel ow
— Node ID: Not suppor t ed i n r el ease 4. 1
— Blink: Set s al l LEDs f l ashi ng; t hi s i s usef ul t o l ocat e an AP
— Dar k: Tur ns of f al l LEDs
3. Cl i ck OK.
Where to Go From Here
Now t hat t he AP1000 i s i nst al l ed, r ef er t o t he Mer u Syst em Di r ect or Get t i ng St ar t ed Gui de f or i nst r uct i ons on i ni t i al i zi ng t he har dw ar e. Ret ur n t o t hi s chapt er t o check t he st at us of t he LEDs once t he WLAN
i s oper at i onal .
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