Vanguard 6435, Installation Manual, Page: 82 / 130

3-12 Installation and Replacement
Installing The Vanguard 6435/6455
Ports 3 and 4
These ports have RJ-45 connectors. Use Port 4 as the CTP because Port 3 cannot be
used for coldloading software to the node. Figure 3-6 shows the pin numbers for
ports 3 and 4.
Figure 3-6. Ports 3/4 Pin Numbers
18 RXCB OUT IN
20 DTR IN OUT
21 TXCB OUT IN
22 ETXCB IN OUT
24 ETXCA IN OUT
25 (V.36 only) TM NC IN
DB25 V.35/V.36 Pinouts
(continued)
Pin Signal DCE Position DTE Position
DB25 V.11/X.21 Pinouts
Pin Signal DCE Position DTE Position
1 GND ------- -------
2 TXDA IN OUT
3 RXDA OUT IN
4 RTSA IN OUT
6 DCDB OUT IN
7 SIGGND ------- -------
8 DCDA OUT IN
14 TXDB IN OUT
15 TXCA OUT IN
16 RXDB OUT IN
20 RTSB IN OUT
21 TXCB OUT IN
22 ETXCB IN OUT
24 ETXCA IN OUT
Pin 8
Pin 1