Fiberplex TD-1280, User Manual

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Front Indicators/Connections
Figure 1 TD ‐ 1581 (left) and FOI ‐ 1580 (right) Front Face
DCE & DTE Connectors – Main data connections via D ‐ subminiature, 25 ‐ position connector. The
DCE is a male (pins) and the DTE is a female (sockets) connector. Jackscrews are provided for securement. See
pinout below.
PINOUTS
Pin FOI ‐ 4451 (DCE)
Direction
FOI ‐ 4541 (DTE)
Direction
6x4 Serial Configuration EIA ‐ 530 Configuration
1 Chassis Ground Chassis Ground
7 Signal Ground Signal Ground
2
Out In
Channel 1 RS ‐ 422
TX+ Send Data A (SD)
14 TX ‐ Send Data B (SD\)
3
In Out
RX+ Receive Data A (RD)
16 RX ‐ Receive Data B (RD\)
4
Out In
Channel 2 RS ‐ 422
TX+ Request To Send A (RTS)
19 TX ‐ Request To Send B (RTS\)
5
In Out
RX+ Clear To Send A (CTS)
13 RX ‐ Clear To Send B (CTS\)
20
Out In
Channel 3 RS ‐ 422
TX+ Terminal Ready A (TR)
23 TX ‐ Terminal Ready B (TR\)
6
In Out
RX+ Data Set Ready A (DSR)
22 RX ‐ Data Set Ready B (DSR\)
24
Out In
Channel 4 RS ‐ 422
TX+ Terminal Timing A (TT)
11 TX ‐ Terminal Timing B (TT\)
8
In Out
RX+ Receive Timing A (RT)
10 RX ‐ Receive Timing B (RT\)
15
In Out Channel 5 RS ‐ 422
RX+ Send Timing A (ST)
12 RX ‐ Send Timing B (ST\)
17
In Out Channel 6 RS ‐ 422
RX+ Receiver Ready A (RR)
9 RX ‐ Receiver Ready B (RR\)
18 Out In
Channel 1 RS ‐ 232
TX Local Loopback (LL)
25 In Out RX Test Mode (TM)
21 Out In Channel 2 RS ‐ 232 TX Remote Loopback (RL)
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