Mounting The 127A (Tn1654 Ds1 Converter) - Avaya S8700 Manual

Figure 12: DS1 Converter Connections for E1 75-ohm Service — Part 2
Figure notes
1 H600-348 quad cable
2 15-pin male D connectors
3 127A BALUN coaxial adapter
4 BNC connectors (transmit/receive)
corresponding to each facility

Mounting the 127A (TN1654 DS1 Converter)

1
Mount the 127A vertically near the main distribution frame (MDF). The 127A case has tabs for
screw-mounting and cutouts for snap-mounting the unit in a 89-type mounting bracket.
2
Attach a ground wire (required) between the 127A and the MDF ground terminal bar. The wire
must be green/yellow and no smaller than 0.75 mm
3
Strip both ends of an appropriate length of wire.
4
Insert one end of the wire into the MDF ground bar and secure.
5
Insert the other end into the screw-connection in the end of the 127A and secure. See
BALUN Coaxial Adapter
6
Connect the H600-348 quad cable to the 4 DB-15 connectors provided on the 127A adapter.
7
Connect the transmit connectors to the connectors marked T and the receiver connectors to the
connectors marked R.
8
Connect the other end of the cables to whatever connects to the network.
Adding New Hardware--S8700
November 2003
2
A 120
2
B 120
1
A
2
C 120
2
D 120
NOTE:
In Norway, Sweden, Denmark, and Finland, the 127A can be used only with MCCs or
DC-powered SCCs.
on page 58.
7
3
T
4
75
R
T
4
75
R
T
4
75
R
T
4
75
R
5 E1 network connection
6 Network interface
7 18 AWG (0.75 mm
terminal at MDF
2
(18 AWG).
5
5
5
5
6
5
5
5
5
h1dfcsu1 LJK 110601
2
) ground wire to ground
127A
59