ABB REL 551 2.3 Series Installation And Comissioning Manual page 57

Configuring the short range fibre optical
modem
The other jumper is S3 that has to be in bottom position, as marked in figure 13. If it is
in top position the communication will not work. (In top position the transmit clock is
supposed to be created in the CPU on the MPM module which is not possible). On
JTAG/ISP there shall be no jumpers inserted.
1RWH
:KHQ XVLQJ D VHW XS DFFRUGLQJ WR ILJXUH
* FRQQHFWLRQ DW WKH RWKHU HQG D VKRUW UDQJH ILEUH RSWLFDO PRGHP DFFRUGLQJ WR
05.  '$ PXVW EH XVHG
Optical
21-15X/16X
fibres
REx5xx
)LJXUH  0XOWLSOH[HG OLQN VKRUW UDQJH ILEUH RSWLFDO FRQQHFWLRQ
S4
1 Delivered with version 1.1, 1.2 and 2.0
2 Delivered with version 2.3 or higher
)LJXUH  -XPSHU ORFDWLRQ RQ VKRUW UDQJH RSWLFDO PRGHP
 RQO\ DW RQH HQG DQG IRU H[DPSOH D GLUHFW
V.35/36 (15X)
X.21 (16X)
G.703 (16X)
xx00000542vsd
1
S3
JTAG/ISP
1
1MRK001471-BA
2
1MRK001471-DA
xx01000138.vsd
&KDSWHU 
&RQILJXULQJ WKH GLJLWDO
FRPPXQLFDWLRQ PRGXOHV
51