CHAPTER 4: Installation
Table
SIGNAL |
| LEAD | DB25 |
NAME (ABBREV.) | CIRCUIT | TYPE | PIN |
|
|
|
|
Shield (SHD) | 101 |
| 1 |
|
|
|
|
Signal Ground (SGND) | 102 |
| 7 |
|
|
|
|
Transmitted Data (TD) | 103 | A | 2 |
|
| B | 14 |
|
|
|
|
Received Data (RD) | 104 | A | 3 |
|
| B | 16 |
|
|
|
|
Request to Send (RTS) | 105 | A | 4 |
|
| B | 19 |
|
|
|
|
Clear to Send (CTS) | 106 | A | 5 |
|
| B | 13 |
|
|
|
|
DCE Ready (DCR) | 107 | A | 6 |
a.k.a. Data Set Ready (DSR) |
| B | 22 |
|
|
|
|
Data Terminal Ready (DTR) | 108 | A | 20 |
|
| B | 23 |
|
|
|
|
Received Line Signal Detector (RLSD), | 109 | A | 8 |
a.k.a. Carrier Detect (CD) |
| B | 10 |
|
|
|
|
Transmitter Sig. Elem. Timing (DTE Source) | 113 | A | 24 |
(TSETT), a.k.a. External Clock (EXTC) |
| B | 11 |
|
|
|
|
Transmitter Sig. Elem. Timing (DCE Source) | 114 | A | 15 |
(TSETC), a.k.a. Transmit Clock (TC) |
| B | 12 |
|
|
|
|
Receiver Sig. Elem. Timing (DCE Source) | 115 | A | 23 |
(RSETC), a.k.a. Receive Clock (RC) |
| B | 22 |
|
|
|
|
Remote Loopback (RL) | 140 |
| 21 |
|
|
|
|
Local Loopback (LL) | 141 |
| 18 |
|
|
|
|
Test Mode (TM) | 142 |
| 25 |
|
|
|
|
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