11
CHAPTER 1: Specifications
Table 1-1. Pin Assignments—EIA Interface Connector
Pin Designation Function LCD Indicator Source
1 AA Frame ground—not connected
2 BA Transmit (send) data (TD) TD DTE
3 BB Received data (RD) RD Modem
4 CA Request to send (RTS) RS DTE
5 CB Clear to send (CTS) CS Modem
6 CC Data set (modem) ready (DSR) MR Modem
7 AB Signal ground (SG) Ground
8 CF Carrier detect (CD) CD Modem
9 +P Testing voltage, +10V Modem
10 -P Testing voltage, -10V Modem
15 DB Transmit clock (TC) Modem
17 DD Receive clock (RC) Modem
18 CN Analog loopback control (ALBT) DTE
20 CD Data terminal ready (DTR) TR DTE
21 CN Remote digital loopback control DTE
To Next Page
Loading...
