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2400 BPS INTERNAL MODEM

UNIDENTIFIED

2400 BPS INTERNAL MODEM

Card Type

Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

2400bps

Data Bus

8-bit ISA

Data Modulation Protocol

Bell 103A/212A

ITU-T V.21, V.22, V.22bis

CONNECTIONS

Function

Label

Function

Label

Line out

CN1

Line in

CN2

SERIAL PORT ADDRESS

Setting

JP1/A

JP1/B

COM1 (3F8h)

Closed

Closed

í COM2 (2F8h)

Open

Closed

COM3 (3E8h)

Closed

Open

COM4 (2E8h)

Open

Open

INTERRUPT

Setting

JP1/C

JP1/D

í 3

Open

Closed

4

Closed

Open

Proprietary AT Command Set

BIT MAPPED REGISTERS

Register

Default

S14

Unidentified

S16

Unidentified

S21

Unidentified

S22

Unidentified

S23

Unidentified

S27

Unidentified