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2-WIRE SHORT-RANGE DSL LINE DRIVER (HDSL) WITH 10BASE-T
5.3 Connecting the 10BASE-T Ethernet Port to Hub (DCE)
The 10BASE-T interface is configured as DTE (Data Terminal Equipment) just like
a 10BASE-T network interface card in a PC. Therefore, it “expects” to connect to a
10BASE-T hub using a straight-through RJ-45 cable. Use Figure 5-4 to construct a
cable to connect the 10BASE-T interface to a 10BASE-T hub.
10BASE-T Port
10BASE-T Hub
RJ-45 Pin No.
RJ-45 Pin No.
1 (TD+)
1 (RD+)
2 (TD-)
2 (RD-)
3 (RD+)
3 (TD+)
6 (RD-)
6 (TD-)
Figure 5-4. Straight-through cable connections.
Figure 5-5. 10BASE-T Ethernet RJ-45 connector pinout.
5.4 Power Connection
The HDSL Line Driver uses a 5-VDC, 2-A universal input 100- to 240-VAC power
supply (center pin is +5V). The power supply has a male IEC-320 power entry
connector. Connect the power supply to the HDSL Line Driver via a barrel jack on
the rear panel.
The Line Driver powers up as soon as it is plugged into an AC outlet; there is no
power switch.
TD+ (data output from 1089)
TD- (data output from 1089)
RD+ (data input to 1089)
(no connection)
(no connection)
RD- (data input to 1089)
(no connection)
(no connection)
(data output from Line Driver)
(data output from Line Driver)
(data input to Line Driver)
(data input to Line Driver)
