FRANKLIN TELECOMMUNICATIONS CORPORATION

ICT-1

Card Type

T1 DSU, telephony

Chipset

Unidentified

I/O Options

FABB bus, external data bus

T1 Transfer Rate

1.544Mbps

T1 Protocol

AMI, B8ZS

Frame Type

SF, ESF

Data Bus

8-bit ISA

Card Size

Full height, full length

CONNECTIONS

Function

Label

Function

Label

T1 interface via RJ-48

CN1

Franklin Above Board Bus

CN4

T1 interface via DB-15

CN2

Franklin Above Board Bus

CN5

External data bus

CN3

   

SYNCHRONIZATION TYPE SELECTION

Setting

JP1

»

FSYNC and C2

Pins 1 & 2 closed

 

Falling edge

Pins 3 & 4 closed

 

Rising edge

Open

BASE I/O ADDRESS SELECTION

Setting

JP2/A

JP2/B

JP2/C

JP2/D

JP2/E

JP2/F

JP2/G

JP2/H

000h

Closed

Closed

Closed

Closed

Closed

Closed

Closed

Closed

004h

Closed

Closed

Closed

Closed

Closed

Closed

Closed

Open

008h

Closed

Closed

Closed

Closed

Closed

Closed

Open

Closed

00Ch

Closed

Closed

Closed

Closed

Closed

Closed

Open

Open

010h

Closed

Closed

Closed

Closed

Closed

Open

Closed

Closed

3ECh

Open

Open

Open

Open

Open

Closed

Open

Open

3F0h

Open

Open

Open

Open

Open

Open

Closed

Closed

3F4h

Open

Open

Open

Open

Open

Open

Closed

Open

3F8h

Open

Open

Open

Open

Open

Open

Open

Closed

3FCh

Open

Open

Open

Open

Open

Open

Open

Open

Note: A total of 256 base memory address settings are available. The jumpers are a binary representation of the decimal memory addresses. JP2/A is the Most Significant Bit and jumper JP2/H is the Least Significant Bit. The jumpers have the following decimal values: JP2/H=4, JP2/G=8, JP2/F=16, JP2/E=32, JP2/D=64, JP2/C=128, JP2/B=256, JP2/A=512. Open the jumpers and add the values of the jumpers that are open to obtain the correct memory address. (Open=1, Closed=0)

LINE BUILD OUT SELECTION

Setting

JP3/A

JP3/B

JP3/C

JP3/D

JP3/E

0 dB

Closed

Open

Open

Open

Open

7.5 dB

Open

Closed

Open

Open

Closed

15 dB

Open

Closed

Closed

Closed

Open

TRANSMIT/RECEIVE POLARITY CONFIGURATION

Setting

JP4

»

Normal

Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed

 

Reversed

Pins 1 & 3, 2 & 4, 5 & 7, 6 & 8 closed

T1 INTERFACE SELECTION

Setting

JP5/A

JP5/B

JP5/C

JP5/D

»

CN1 and CN2

Open

Open

Open

Open

 

CN1 only

Closed

Closed

Closed

Closed

EXTENDED SUPER FRAME FACILITY DATA LINK CONFIGURATION

Setting

JP6/A

JP6/B

JP6/C

JP6/D

JP6/E

»

ESF FDL disabled

Open

Open

Open

Open

Open

 

ESF FDL enabled on CN2

Closed

Closed

Closed

Closed

Closed

Note:For ESF FDL to be enabled, the T1 interface on CN2 must be disabled as this signal is transmitted over CN2. See the settings for jumper JP5 for more information.

EXTERNAL BUS CONFIGURATION

Setting

JP7

»

Disabled

All pins open

 

Enabled

All pins closed

Note:The size of JP7 is unidentified. Each pair of pins vertically should be closed with a jumper so that all pins are closed.