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9 preassembled connecting cables, 1 830-1t connecting cable – Siemens SIMATIC NET PROFIBUS User Manual

Page 163

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Passive Components for RS-485 Networks

4-65

PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000

4.9

Preassembled Connecting Cables

4.9.1

830-1T Connecting Cable

Uses

The 830-IT connecting cable is a preassembled cable for fast and cost-effective
attachment of DTEs to OLMs and OBTs.

Design

The 830-1T connecting cable consists of a twisted pair (stranded copper cores)
with a braid shield. It is fitted with a 9-pin sub-D male connector at both ends. Both
ends of the cable have terminating resistors (cannot be deactivated). The cable is
available in lengths of 1.5 and 3 m.

Figure 4-34

830-1T Connecting Cable

Function

The 830-1T connecting cable connects the following:

S

The electrical interface of the Optical Link Module (OLM, OBT) with the
PROFIBUS interface of a DTE.