
CT-IG-MTAS192-2008-v1_8.doc
Comtest Networks
MTAS-192
June 2006 Installation Guide
47
Ethernet Cabling
Connect to the Ethernet jack on the MTAS-CM control card using 10/100BaseT
Ethernet cable.
Table 19: RJ-45 10/100BaseT Connector Pinouts
Pin No. Name Description EIA/TIA 568A EIA/TIA 568B Ethernet
1 DSR/RI TX+ White/Green White/Orange
9
2 DCD TX- Green/White or Green Orange/White or Orange
9
3 DTR RX+ White/Orange White/Green
9
4 Blue/White or Blue Blue/White or Blue Not Used
5 White/Blue White/Blue Not Used
6 TD RX- Orange/White or Orange Green/White or Green
9
7 White/Brown White/Brown Not Used
8 Brown/White or Brown Brown/White or Brown Not Used
Straight-Through Cable Pinout
Connecting RJ-45 Ethernet Interface to a Hub or Router)
Figure 37: Straight-Through Cable Pinouts
Crossover Cable Pinout
Connecting RJ-45 Ethernet interface to a PC)
Figure 38: Crossover Cable Pinouts
3 TxD+
6 TxD-
1 RxD+
2 RxD-
3 TxD+
6 TxD-
1 RxD+
2 RxD-
PC MTAS
3 TxD+
6 TxD-
1 RxD+
2 RxD-
3 TxD+
6 TxD-
1 RxD+
2 RxD-
Router MTAS
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