USER’S GUIDE

PRI-23/30

In addition to the interrupt jumper and I/O address settings, the PRI-23/30 requires settings for:

channel selection (T1 or E1)

MVIP bus termination

Robbed Bit Signaling (RBS)

E1/R2 signaling

Refer to the following chart for correct settings. Place the jumper on the pins identified to enable the function, unless specified otherwise.

Jumper

Function

T1 (short haul)

T1 (long haul)

E1 (short haul)

E1 (short haul)

E1 (long haul)

 

 

100 ohms TP

100 ohms TP

75 ohms coax

120 ohms TP

120 ohms TP

 

 

 

 

 

 

 

JP1

T1/E1

2-4

2-4

1-3

1-3

1-3

 

 

 

 

 

 

 

JP3

T1/E1

3-4

3-4

1-2

1-2

1-2

 

 

 

 

 

 

 

JP4**

termination**

1-2

1-2

3-4

5-6

5-6

 

 

 

 

 

 

 

JP6

T1/E1

jumper in

jumper in

no jumpers

no jumpers

no jumpers

 

 

 

 

 

 

 

JP7**

termination**

1-2

1-2

1-2

1-2

2-3

 

 

 

 

 

 

 

JP8**

termination**

1-2

1-2

1-2

1-2

2-3

 

 

 

 

 

 

 

JP9

MVIP

jumper in

jumper in

jumper in

jumper in

jumper in

 

 

to terminate

to terminate

to terminate

to terminate

to terminate

 

 

 

 

 

 

 

JP11*

RBS*

jumper out

jumper out

N/A

N/A

N/A

 

 

to enable

to enable

 

 

 

 

R2 signaling

N/A

N/A

jumper out

jumper out

jumper out

 

(Korea)

 

 

to enable

to enable

to enable

 

 

 

 

 

 

 

Note: When setting jumpers, orient the adapter so that the bus connectors are at the top of the adapter, and all pin numbers are in an upright position.

Note that JP1 has an unusual pin-numbering scheme. Be sure to place jumpers vertically (on pins 1 and 3 or pins 2 and 4, depending upon channel selection). The only jumper that you will need to place horizontally is JP4.

*T1 mode supports RBS functionality; E1 mode supports R2 functionality. Use JP1, JP3 and JP6 to designate either T1 or E1 mode.

**Refer to Termination Guidelines.

92 CyberSWITCH

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Enterasys Networks CSX7000, CSX5500, CSX6000 manual JP1, JP3, JP6, JP9 Mvip, Rbs