Comtest Networks MTAS-192 METALLIC TEST ACCESS SYSTEM - Manual (Page 51)

CT-IG-MTAS192-2008-v1_8.doc Comtest Networks
MTAS-192
June 2006 Installation Guide 45
IMPORTANT: If using shielded cable, ensure that devices on either end of the cable
have the same reference ground (earth/chassis/frame ground) in order to prevent
ground loops.
Table 17: Cable Pinouts for TAL Bus Extender
TAP # Pin # Label
( 2-Wire )
Label
( 4-Wire )
Tip/Ring Colour coding
1 TxA Tip Orange/White
2
LINE/FACILITY (AF)
TxA Ring Orange
3 RxA Tip Green/White
TAP 1
4
DSLAM/EQUIPMENT (AE)
RxA Ring Green
5 RxB Tip Blue/White
6
LINE/FACILITY (AF)
RxB Ring Blue
7 TxB Tip Brown/White
TAP 2
8
DSLAM/EQUIPMENT (AE)
TxB Ring Brown
Figure 35: Pin Locations for Test Access Link Connector
Figure 36: Pinouts and Cable Colors for Custom TAL Bus Extender Cable
Pin #1
Pin #8
Orange/White
Orange
Green/White
Green
Blue/White
Blue
Brown/White
Brown
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
CAT 5e Shielded Cable
Slave 1 TAPs / DATA 2
RJ-45 shielded
Male Connector
(Plug) Master Data 1
RJ-45 shielded
Male Connector
(Plug)