Communications
Surge Protection for Communication Devices
36
Figure 26. Example of Console Connected to a Remote Device Via MDE800A Short-Haul Modems
Legend for numbered boxes
1
DB9 connector or (2) DB25 connector - depends on availability
3
Personal Computer
4
Twisted pair 24 or 26 AWG (0.2 mm
2
) cable
5
DB9 connector on bottom of console
6
DB25 connector on rear of short haul modem
7
RTS/DTR Control jumper (in modem) - select DIS position
8
Front panel switch - select Normal position
9
RX+ terminal - attach color 2 wire of twisted pair (4) to this terminal (in modem)
10 RX- terminal - attach color 1 wire of twisted pair (4) to this terminal
11 TX+ terminal - attach color 2 wire of twisted pair (14) to this terminal
12 TX- terminal - attach color 1 wire of twisted pair (14) to this terminal
13 DCE/DTE switch (in modem) - select DCE position
14 Twisted pair 24 or 26 AWG (0.2 mm2) cable
15 RTS/DTR Control jumper (in modem) - select EN position
16 Attach color 2 wire of twisted pair (14) to this terminal
17 Attach color 1 wire of twisted pair (14) to this terminal
18 Attach color 2 wire of twisted pair (4) to this terminal
19 Attach color 1 wire of twisted pair (4) to this terminal
consoles\tls2\shm.eps
4
19 4
18 4
17 4
16
4
12 4
11 4
10 49
4
13
47
46
46
45
44
4
14
42
43
41
48
4
13
48
4
15