Hach sc1000 User Manual page 41

9. If necessary, set the terminating resistor.
Note: When using the connector with the last module on the network segment, one union nut
remains unused. Seal the union nut with the plug supplied. Refer to
10. If this connector is the end of the network, insert the rubber seal in the connector.
11. Tighten the union nut by two turns.
12. Insert the sealing plug in the unused union nut and rubber seal.
13. Tighten the union nut.
14. Set a terminating resistor at the last network connector to the ON position (see
15. Plug the connector into the probe module.
Figure 29 Removing the insulation from the communication cable
1 Cable, 2-conductor
2 Connector, (network connector printed circuit board) 4
Connection
1A
1B
2A
2B
Note: If the network connector is terminated, 2A and 2B are set to off.
Figure 32 and Table 11).
Table 10 Communication connector terminal assignments
Cable
Incoming or last device
Incoming or last device
To further devices
To further devices
3 Circuit card/bottom shell, cable, and cable clamp
subassembly
Network cable installed in connector
Signal
A
B
A
B
Installation
Figure 31.
Length
25 mm (1 in.)
35 mm (1.4 in.)
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