Enterasys Networks CSX5500, CSX6000, CSX7000 manual 75000hrs

USER’S GUIDE

Hardware Characteristics
Processor:	Intel 80C186
Speed:	16 Mhz
Number of Ports:	4
Connector:	RJ-45
Interface:	Point-to-Point, Point-Multipoint for single device
MTBF:	75000hours
MTTR:	0.25hour

BRI-1 BASIC RATE ADAPTER

The BRI-1 provides a single basic rate port with a standard S/T interface for attachment to an ISDN basic rate line. This adapter can take advantage of such services as NTT’s INS-64, BOC’s Centrex ISDN Basic Rate and PBX’s basic rate lines.

Hardware Characteristics
Processor:	Intel 80C186
Speed:	16 Mhz
Number of Ports:	1
Connector:	RJ-45
Interface:	Point-to-Point, Point-Multipoint for single device
MTBF:	75000hrs
MTTR:	0.25hour

BRI CONNECTION

The BRI adapter uses the four wire S/T ISDN Interface. Each basic rate line will connect to a RJ-45 connector at the back of the system. Refer to the following table which provides the pin and signal assignments for the BRI RJ-45 connector(s).

Pin and Signal Assignment for the BRI RJ-45 Connector(s)

BRI Pin	Signal	Function
1	NC	No Connect
2	NC	No Connect
3	TX+ to CO	Transmit to Line (T)
4	RX+ from CO	Receive from Line (T)
5	RX- from CO	Receive from Line (R)
6	TX- to CO	Transmit to Line(R)
7	NC	No Connect
8	NC	No Connect

Note: For NTT lines, if the line has a Termination Resistor, remove it from the line jack. These jacks are marked by having their names end in “R” (for example: MJ-8SR or MJ-28SR).

60 CyberSWITCH