Specifications

T1 AND E1 FIBER MUXES
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A.3 CONTROL Connector
The front-panel supervisory port has a standard RS-232 DTE interface. The physical interface is a DB9 female
connector, labeled CONTROL. Connector wiring is shown in Table A-2.
Table A-2. CONTROL DTE connector, pin functions.
Pin Line Direction
1 Data Carrier Detect (DCD) From the mux
2 Receive Data (RD) To the mux
3 Transmit Data (TD) From the mux
4 Data Terminal Ready (DTR) To the mux
5 Signal Ground (SIG) Common signal reference and DC power supply ground*
6 Not connected —
7 Request to Send (RTS) To the mux
8 Clear to Send (CTS) From the mux
9 Ring Indicator (RI) To the mux
* On versions with DC power supply installed.
A.4 Power Connectors
The power connectors used for AC powering are standard square 3-prong female connectors. For information
on DC power options, contact Technical Support.