Central Site Remote Access Switch 63
H
ARDWARE
O
VERVIEW
System Adapters
Hardware Characteristics
Processor:
Intel 80C186
Speed:
16 Mhz
Number of Ports:
1
Connector:
RJ-45
Interface:
Point-to-Point
PRI-8, PRI-23,
AND
PRI-23/30 C
ONNECTION
The Primary Rate adapters use four wire S/T ISDN interface. Each primary rate line will connect
to a RJ-45 connector at the back of the system. Refer to the following chart for pin and signal
assignments.
Pin and Signal Assignment for the PRI RJ-45 Connector
Note:
For the PRI-8 and PRI-23 adapters: If you connect the CyberSWITCH to a CSU with a
different pinout than the CyberSWITCH’s PRI pinout described in the above table, you will
need a crossover converter between the CyberSWITCH and the CSU.
E
XPANDER
A
DAPTER
The Expander adapter is used with PRI-8s to increase the number of possible connections. Each
Expander supports 8 additional connections. Up to three expander adapters can be used with one
PRI-8 to gain 8 B channel connections per Expander, creating a total of 30 possible connections per
line (with one channel is used for a data link). Only two expander adapters are needed for 23
channels.
H
ARDWARE
C
HARACTERISTICS
Processor:
Intel 80C186
Speed:
16 Mhz
MTBF:
75000hours
MTTR:
0.25hour
PRI 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
