TM 11-7025-234-23
(2) In 1600 baud mode it requires a balanced 600-ohm, type 3002,
unconditioned telephone line or equivalents, with a normal 16 dBm loss and
frequency translation of up to 10 Hz.
9" Interface. Conforms to EIA RS-232C (CCITT V.24) low input and output
interface and interface exchange.
Major operating components (figs. 1-1 and 1-2) are removable from the top of V.29
modem. To gain access, it is necessary to raise top cover assembly by unfastening
two screw fasteners located on front of V.29 modem chassis behind the swing-down
front panel.
o
Front Panel
Front panel swings down for access to diagnostic
1
controls and indicators.
o
2
Chassis
Outer shell containing all components of the modem.
o
3
Two captive screws retaining the cover assembly.
Screw Fasteners
o
4
Top Cover
Raises to provide access to circuit boards, strapping,
and voltage adjustments.
o
5
Provides ac electrical input to the modem assembly
115 Volt ac Power
Receptacle
using a removable power cord.
6
o
Power ground, common to ground position on ac power
Ground Post
receptacle.
o
7
Rocker type switch, controls ac power to V.29 modem.
Power ON/OFF Switch
V.29 Modem External Components (1 of 2)
1-4
