Thrane&Thrane SB5006, Operation Manual, Page: 6 / 38

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2 Physical Connection
The SB5006 is physically connected to the VHF equipment via the SPARC II bus. The VHF
radio is powering all components – including the SB5006 - via the SPARC II bus connection,
and must always be powered when operating the service tool.
40034A
FUSE
Option
Sparc II Bus
Handset
12-24V DC
Main Antenna DSC Antenna
Sparc-bus
RT5022/RT5020
SB5006
15-pin
sub D male
15-pin
sub D female
9 pin
sub D female
Power
connector
Figure 2.1: The SB5006 service tool is connected to the VHF 5000 Series radio directly with the
SPARC II cable (15 pin Sub-D) delivered with the SB5006 service tool.
The SB5006 may be connected directly to the SPARC II bus connector at the rear of the
VHF (see Figure 2.1).
40035
Sparc-bus
SB5006
X7
SPARC II BUS CO NN ECTIO N S
X 4 X 5 X 6
1
9
6
E X T L S2
8
+ 12 . 5V
I N TERFACE
L A N
E X T
10
2
L ine out-
L ine out +
R X AF +
3
4
7
15
14
13
12
11
T X AF-
R X AF-
DATA-
T X AF +
E X T L S2
+ 12 . 5V
5
GN D
GN D
DATA +
+ 12 . 5V
EB/CU
E X T /
CU L S
EB/CU
E X T /
CU L S
IF CU IS CO NN ECTED TO
EB/CU TERMI N A L S THE N
REMOVE J 1 & J 2 FOR X 4
A N D J 3 & J 4 FOR X 5
Figure 2.2: The SB5006 service tool is connected to the VHF 5000 series in a fixed installation
using the connection box instead.
Alternatively the SPARC II bus is accessible at connector X7 in the connection box, if
installed (see Figure 2.2).
Note: Before connecting the SB5006 to the VHF system, power down the VHF radio.