User Manual

Table Of Contents
Exalt Installation and Management Guide
ExtendAir (TDD) Series Digital Microwave Radios
203591-002 81
2009-12-18
Interface Connections
This section provides the pin number assignment and wiring information for the connectors on the
ExtendAir (TDD) radios. All connectors are shown as viewed from the radio rear panel, oriented with
the PoE connector at the lower left corner.
TDM Connections
On models with TDM connections, there are two connectors for TDM; each connector has two TDM
circuits available. Figure 43 illustrates the pin orientation and functionality of these connectors.
Figure 43 TDM connectors
RSL & GPS Sync Connector
This connector can be used during the antenna alignment process, to provide a received signal level
(RSL) voltage to a voltmeter. The connector is also used for connection to an optional Exalt GPS
antenna for the purposes of GPS synchronization. Figure 44 illustrates the pin orientation and
functionality for this connector.
Pin Function
1 Tip Out (from radio) – Ch.1 & 2
2 Ring Out (from radio) – Ch.1 & 2
3 Tip Out (from radio) – Ch.3 & 4
4 Tip In (to radio) – Ch.1 & 2
5 Ring In (to radio) – Ch.1 & 2
6 Ring Out (from radio) – Ch.3 & 4
7 Tip In (to radio) – Ch.3 & 4
8 Ring In (to radio) – Ch.3 & 4