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3.2.2
V.35 Line Interface Cable for Modems
For connecting a modem or terminal adapter to a V.35 line interface, use Hitachi
cable type HN-F9531-B72H (5 m). The boundary with the network is the connector
on the modem or terminal adapter. The Figure 3-4 below is the diagram of the V.35
interface cable.
HDRA 68-Pin Connector
(Router Side）
Figure 3-4 V.35 Interface Cable
Consult Hitachi if you purchase a cable other the 5 m cable specified above, since
line speed differs depending on the length of a cable. The table below shows the
relationship between the line speed and the length of cables.
Table 3-2
No.
Line Speed Range (Xbit/s)
48 < X ≤ 1024
1
1024 < X ≤ 1536
2
1536 < X ≤ 3072
3
3072 < X ≤ 6144
4
As shown in Figure 3-4, the pins of the V.35 connector to be connected to a modem
are covered with a skirt so that they are not damaged or broken. Check if the V.35
connector of the cable fits the form of the connector of the modem.
GR2K-GA-0007
Rev. 5.00
Attachment Screw
V.35 Line Speed and Cable Length
Preparing Interface Cables and the Terminal
34-Pin Connector for V.35
Cable Length
Limitation
16 m or less
10 m or less
5 m or less
1 m or less
(Line Side）
3-5
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