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US Robotics ISDN TA (Model 98005100)

This is an ISDN TA sold by U.S.Robotics.

In reality it seems to be designed by Stollmann E+V GmbH , which is not too surprising as many ISDN companies were based in Germany or at least Europe, while the U.S. still was mainly focussed on analog modems.

USRobotics_ISDN_TA_front.jpg USRobotics_ISDN_TA_back.jpg USRobotics_ISDN_TA_bottom.jpg

US_Robotics_ISDN_TA_pcb-perspective-front1.jpg US_Robotics_ISDN_TA_pcb-perspective-back1.jpg

US_Robotics_ISDN_TA_pcb-top1.jpg US_Robotics_ISDN_TA_pcb-bottom1.jpg

Supply Voltage 5V AC (or DC), positive pin next to RJ45
Power Consumption ~3.5W
RS232 Connector DB-9
Line Connector RJ45

Important AT commands

Setting the MSN

at**msn=2151
OK

Setting the B-channel protocol

ATB3 (HDLC)
ATB10 (X.75)
ATB13 (V.120)
ATB22 (T.70-NL)

Showing settings

at&v
ACTIVE PROFILE:
B10 E1 Q0 V1 W0 X4 &C1 &D2 &K3 &R1 &S0 %B0 #R0 
S00:001 S01:000 S02:043 S03:013 S04:010 S05:008 S06:003 S07:030 S16:0000H 
S90: 

TELEPHONE NUMBERS:
&Z0 = 
&Z1 = 
&Z2 = 
&Z3 = 
&Z4 = 

MSN = 2151

OK

device/firmware information

ati
SP ISDN
OK

ATI0
SP ISDN
OK

ATI1
64
OK

ATI2
OK

ATI3
V5.230
OK

ATI4
Sportster ISDN TA
OK

ATI5
0-DSS1
OK

ATI6
Copyright U.S. Robotics Access Corp.
OK

Updated by roox about 1 month ago · 10 revisions

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