Operating instructions

RCS20 M:N Redundancy Switch Electrical Interfaces
TM056 - Rev. 2.3 5-9
5.2 DDS20 Connector Pinouts
The following connectors are located on the Universal Interface Module on the DDS20. Refer to the
following Tables for the connector pinouts.
5.2.1 J1 - SD - Send Data
J1 is the G.703 Unbalanced Send Data (SD) BNC connector located on the Universal Interface
Module.
5.2.2 J2 - DDO - Drop Data Out
J2 is the Unbalanced Drop Data Out (DDO) BNC connector located on the Universal Interface
Module.
5.2.3 J3 - IDI - Insert Data In
J3 is the Unbalanced Insert Data In (IDI) BNC connector located on the Universal Interface Module.
5.2.4 J4 - RD - Receive Data
J4 is the Unbalanced Receive Data (RD) BNC connector located on the Universal Interface Module.
5.2.5 J5 - ESC Audio
J5 is the 9-pin ‘D’ Female ESC Audio Channel connector. The pinouts for this connector are shown
below in Table 5-1.
Table 5-1. J5 - ESC Audio - 9-Pin ‘D’ Female
Pin No. Signal Description Direction
1 ESCAUD TX 1A Tx Audio 1A (-) Input
2 ESCAUDRX 1A Rx Audio 1A (-) Output
3 GND Ground None
4 ESCAUDTX 2B Tx Audio 2B (+) Input
5 ESCAUDRX 2A Rx Audio 2A (-) Output
6 ESCAUDTX 1B Tx Audio 1B (+) Input
7 ESCAUDRX 1B Rx Audio 1B (+) Output
8 ESCAUDTX 2A Tx Audio 2A (-) Input
9 ESCAUDRX 2A Rx Audio 2A (-) Output