Mod II Modem

TM 5-6350-275-24&P

Mod II Modem

Board Type:

16085

Part Number:

3869-ACB

Firmware Information:

Firmware Classification:

NONE

Unpopulated Locations: NONE

Configuration Settings:

J1-3 to J1-7 (Mode Control, Bell 202 1200 Baud, Half Duplex)

J1-7 to J1-8 (Phone Line Equalization as Required)

J2-2 to J2-3 (2 Wire Communications Points 6&7 = RX/TX No Polarity)

(J2-1 to J2-3 = 4 Wire Points 6&7 = TX pair, Points 9&10 RX pair)

NOTE: Level Adjustments are: R18 for TX, R10 for RX

The difference between the early and new art work on the Mod 2 Modem is on the

early version J1 has 24 pins and J2 has 10 pins. On the new version the first 24

pins are broken into 3 blocks of 8; called:

J1 1-8

J2 1-8

J3 1-8

The last 10 pins are now called:

J4 1-10

E-53