Aviat Networks MDR2400-EHD User Manual pages sixty two tho sixty nine

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Document Description	Users Manual pages sixty two tho sixty nine
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Date Submitted	1999-08-20 00:00:00
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xoz—otsus hunt System Manual
Chapter 5: Maintenance Information
Introduction to Chapter 5 provides the technical personnel with the
Chapter 5 information necessary to diagnose and repair (by
replacement) a fault on the uLink System.
Recommissioning information for the uLink is also
provided to ensure that the system is functioning
correctly after repair or replacement ofthe LRU/SRU.
H“
Fault Diagnosis To ensure the minimum down-time cfthe uLink
System, fault diagnosis is divided into two distinct
categories:
- Diagnosing the most likely faulty site (Near or Far).
Diagnosing the faulty LRU at the site, iei Indoor
Unit, Outdoor Unit, Antenna or Interconnection
Cable.
Information to follow
Issue 1 Page 63
862-01545 uLink System Manual
Chapter 6: Functional Description
Introduction to Chapter 6 provides a detailed description ofthe pLink
Chapter 6 System as well as a brief description ofthe Line
Replaceable Units (LRUS) comprising the system.
This chapter is aimed at providing the service
technician with an understanding of the function and
operation ofthe uLink System.
uLink System The uLink System is a Direct Sequence Spread
Description Spectrum Digital Radio operating in the 2.4 GHz ISM
frequency band. Various payload data interfaces can
be installed, ie, TI and E1. The uLink system can be
extended to include outer frequency bands merely by
using a different microwave transceiver in the Outdoor
Unit (OU). The Indoor Unit (IU) is not dependent on
the frequency band used.
A uLink Radio Relay Station comprises a single IU, an
OU (with antenna), interconnected by a custom cable,
On-site management and maintenance is achieved by
using a Crafi Terminal that interfaces to the IU,
A radio relay link consists ofa complementary pair of
uLink stations, It is possible to extend range by
linking further station pairs in a multiple hop
configuration.
The following options (future upgrade) may be added
to a uLink Digital Radio System:
' Local area network for networking ofmultiple
radio relay stations.
- [P routers, bridges, and gateways for networking to
the Telecommunications Network Management
(TNM) system.
Issue I Page 55
862-01545 ttLink System Manual
69 Chapter 7: Parts List
Introduction to Chapter 7 identifies, lists and describes all system level
Chapter 7 user replaceable parts and components comprising the
ttLink System. Part numbers for re-ordering purposes
are also provided.
Parts Lists The columns in the parts lists provide the following
information:
- Item: Indicates the annotation number
referenced in the associated parts list
illustration in Figure 25.
0 Part No.: Gives the Tellumat part number for
the specific item.
a 0 Description: Provides a brief description ofthe
item.
- Qty, States the quantity ofthe item used
per Indoor Unit,
~ Remarks: Provides any useful supplementary
information.
Figure 25 shows the user replaceable parts and
components at the system level. Table 8 shows the
actual parts list.
Issue 1 Page 67
_11Link System Manual 862-01545 86201345 uLink System Manual
(fi (5 Table 8. “Link System Level Parts List
2 Item Part Description Qty. Remarks
Number
1 651—0353] Antenna (leBi Tx/l SdBl RX 1
gain)
2 551 413586 Outdoor Unit (E1 1113) 1 see Note 1
2 551»03587 Outdoor Unit (E1 LB) 1 See New 1
2 65 1-03592 Outdoor Un1t('l'l HB) 1 sec NM 1
2 651-0359} Outdoor Unit (Ti LE) 1 See Nm 1
2 Gil-03584 Outdoor Unit (El Duplexcr 1-113) 1 See Now 1
4 2 651-03585 Outdoor Unit (El Duplexer LB) 1 555 N0,e 1
z oil-03590 Outdoor Unit (n Duplexér HB) 1 Sec 11013 1
3 2 651-0359] Outdoor Unit (Tl Duplexer LB) 1 see Nme 1
C\ l {j 3 65] $3594 Antenna Mounting Bracket Set 1
4 ’ 4 660-03152 IU/OU Interconnection Cable 1
(lOm)
4 coo-03531 l-U/OU Interconnection Cable 1
(20m)
4 660-03150 IU/OU Interconnection Cable 1
(50m)
4 sec-03149 111/011 Interconnection Cable 1
(75m)
65 l-03533 Indoor Unit
5 651-03526 E1 Interface Card See Note 2
1: 6 551-03527 TI lnterfacc Card sac Now 2
EJ ' ' an. m.“ 7’ "m. 7_ m; ’ (a , ,
Omega E‘i’fié $6? gal“ - Note 1: Check that Outdoor Units are ordered as a matched palr and
a MD" U°° mm“ “m“ " G3 ensure that they are ofa complimentary type, ie. low band (LB)
C ( or high band (HB) types at opposite ends ofthc link.
Note 2: Only one interface card (E1 OR T1) is installed in the Indoor
Figure 25‘ uLink System. v Unit
Page 68 Issue 1 Issue 1 Page 59

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