Figure 3-38 TMS2 (S30810-Q2915-X)
Jumper settings
The X300 or X302 jumpers are used to set the TMS2 interface for the connection of this interface to
NT1. The following can be set:
symmetrical line (120 ohms).
Use only pre-formed cables S30267-Z57-Axxx to guarantee problem-free operation (length = 6
m (not available in BRD), 10 m or 20 m).
coaxial line (75 ohms).
TMS2
interface
Jumper
X300
Jumper
X301
Jumper
X302
120 ohms =
factory default
2 - 3 2 - 3 2 - 3
75 ohms 1 - 2 1 - 2 1 - 2
SU connector assignment (backplane)
Table 3-31 TMS2 - SU connector
assignment
SU connector Xx8/Xx9
1
pin
Function
2 Receive, a-wire
http://cmweb01.mch.pn.siemens.de/e_doku/en/h150/h15/30/sh/2/15_32.htm (36 of 46) [06/04/2000 13:03:54]
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