User's Manual

Trailblazer Installation and User Manual version 1.03
12
For durability as well as ease of installation and acquisition, repeater and
synchronization cables require standard RJ45 connectors and CAT5 cable using
standard Ethernet cable wiring. Remember to feed the CAT5 cable through the
weatherproof cord grips before terminating the ends. In addition to the RJ45 connector,
there are (4) screw terminals for synchronization. Wire SYNC OUT to SYNC IN and vice
versa.
2.3.4 Connecting the Leased Lines
The Leased Line interface is provided on two standard 50 pin female Centronics
connectors. The connector 1 contains the audio and E&M signaling for lines 1 through
4, and connector 2 contains the audio and E&M signaling for lines 5 through 8. See
figure below for pin out information:
Connector pin-out:
Connector 1
Connector 2
Pin
Signal
Pin
Signal
1
Transmit Audio 1+
1
Transmit Audio 5+
26
Transmit Audio 1-
26
Transmit Audio 5-
2
Ground
2
Ground
27
Transmit Audio 2+
27
Transmit Audio 6+
3
Transmit Audio 2-
3
Transmit Audio 6-
28
Ground
28
Ground
4
Transmit Audio 3+
4
Transmit Audio 7+
29
Transmit Audio 3-
29
Transmit Audio 7-
5
Ground
5
Ground
30
Transmit Audio 4+
30
Transmit Audio 8+
6
Transmit Audio 4-
6
Transmit Audio 8-
31
Ground
31
Ground
7
Receive Audio 1+
7
Receive Audio 5+
32
Receive Audio 1-
32
Receive Audio 5-
8
Ground
8
Ground
33
Receive Audio 2+
33
Receive Audio 6+
9
Receive Audio 2-
9
Receive Audio 6-
34
Ground
34
Ground
10
Receive Audio 3+
10
Receive Audio 7+
35
Receive Audio 3-
35
Receive Audio 7-
11
Ground
11
Ground
36
Receive Audio 4+
36
Receive Audio 8+
12
Receive Audio 4-
12
Receive Audio 8-
37
Ground
37
Ground
50 Pin Centronics Connector