User Manual

MMI Cable Fabrication
5/21/04 1X SC4812T–MC BTS Optimization/ATP J-1
DRAFT
Purpose
When the Motorola SLN2006A MMI Interface Kit is not available, a
cable can be fabricated by the user to interface a nine–pin serial
connector on an LMF computer platform with an MMI connector on
GLI cards and other Motorola BTS assemblies. This section provides
information necessary for fabricating this cable.
Required Parts
Table J-1: Parts Required to Fabricate MMI Cable
Item Part Number Qty Description
A Motorola 3009786R01 1 Ribbon cable assembly, 1.524 M, one 8–contact MMI
connector, one 10–contact connector
B AMP 749814–1,
Belkin A4B202BGC,
or equivalent
1 Receptacle kit, unassembled, 9–position, socket contacts,
unshielded, metal or plastic shell, solder or crimp–type
contacts
Cable Details
Figure J-1 illustrates the details of the fabricated MMI cable.
Figure J-1: Fabricated MMI Cable Details
DB–9 Plug
Socket Numbering
(Mating Side)
12345
6789
1
2
3
4
5
6
7
8
8–Contact MMI Plug
Socket Numbering
(Mating Side)
Item A: Cable assembly 3009786R01 (with 10–contact plug removed)
MMIFAB001–0
FABRICATION NOTES:
1. Remove 10–contact connector from ribbon cable of cable assembly 3009786R01
2. Separate wires at unterminated end of ribbon cable as required to connect to DB–9
connector contacts
3. Dark wire on ribbon cable of cable assembly 3009786R01 connects to pin 1 of the
8–contact plug
4. Strip three ribbon cable wires with connections specified in Table J-2 and connect to
DB–9 plug contacts as specified in Table J-2
5. Shorten un–connected ribbon cable wires enough to prevent contacting DB–9
contacts, leaving enough wire to egage any strain relief in the DB–9 connector shell
Item B
J