Quick Start Guide HCD-E1
Installation & Operation Manual
2 Installing HCD-E1
7. Set the JP12 jumper to UNBAL E1.
8. Set the JP16 and JP17 jumpers to UNBAL.
9. Connect the JP9 jumper.
10. Install the JP8 and JP10 jumpers.
11. Reinstall the sublink interface board by reversing the procedure by
which you removed it. Pay special attention to the following:
Mate correctly the flat cable connector with the corresponding
main board connector.
Make sure that the RJ-45 connector has been properly inserted
into its place in the rear panel, and none of the BNC connectors
wires have been damaged.
Make sure to place the original washers under each nut. Fasten
the nuts tightly.
Connecting the

Interfaces

Connecting the E1 Sublink
Connect the E1 sublink. For a balanced interface, use an RJ-45
connector and connect it to the HCD-E1 port marked SUB E1. For an
unbalanced interface, use two BNC connectors and connect them to
the HCD-E1 ports marked RX OUT and TX IN.
Connecting the Data Ports
Connect the DTEs to the HCD-E1 data channel ports. Use the adapter
cables supplied with the unit.
Connecting the Line
Connect the HDSL line to the HCD-E1 rear panel RJ-45 port designated
HDSL.
Connecting the Control Terminal
If you are using a control terminal, connect a cable between the control
terminal and the port designated CONTROL DCE.
Connecting the

Power

AC-Powered Unit
Use the 5 ft (1.5m) standard power cable provided with the unit. Make
sure the ON/OFF switch on the rear panel is set to OFF, then connect
the cable first to the HCD-E1 rear panel, then to the power source.
DC-Powered Unit
For the DC version of HCD-E1, refer to DC Power Supply Connection
Supplement.