Siemens OPTIPOINT 500 - Manual (Page 56)

Option Adapters and Ports Nur für den internen Gebrauch
P31003-E8400-A100-3-7620
5-10 Service Manual
optiPoint 500 ISDN Adapter
5.4 optiPoint 500 ISDN Adapter
The ISDN adapter converts a U
P0
=> S
0
.
This permits the connection of default ISDN terminals with their own power supply unit (e.g.
group 4 fax machines, ISDN data terminals, ISDN telephones as well as video communication
equipment, such as a video set or video kit for example).
Functions
● ISDN network terminating point with support for 2B+D channels.
● MW 8/8 connector according to CCITT Recommendation I.430
● Pin assignment in accordance with ISO 8877
● Support for point-to-point and passive bus connections
● Wired for short passive bus configurations
● Cable lengths
– cables can be a maximum of 100 meters long with a cable impedance of 75 ohms.
– They can be up to 200 meters with a cable impedance of 150 ohms according to
CCITT Recommendation I.430
● NT terminating resistors are integrated into the ISDN adapter.
Additional terminating resistors come with the unit.
MW8/8
Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8
NC NC SR1 SX1 SX2 SR2 NC NC
8 7 6 5 4 3 2 1
RJ45