User's Manual

Figure 3: Bottom View
Figure 4: Antenna Connector End View
Figure 5: Multi-Interface Connector End View
3.3 Interface Connectors
The 9522A LBT incorporates three interface connectors.
• Multi-Interface Connector (located on the end of the
9522A LBT)
• Antenna Connector (located on the end of the 9522A
LBT; opposite to the multi-interface connector)
• Subscriber Identity Module (SIM) Chip Connector
(located beneath a cover plate atop the 9522A LBT)
3.3.1 Multi-Interface Connector
The multi-interface connector is a 25 pin D-subminiature type that
includes four interfaces.
• DC Power
• Control/Digital Audio (DPL bus)
• RS232 Data
• Analog Audio
The pin out information for this connector is given in Table 3 below.
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