Service manual

Avantra 36/44 Service Manual
3-62 Diagnostics
Avantra Modem Specifications
Data Rate: 2400 BPS or faster
Data Compression: CCITT V.42BIS, MNP Class 5
Data Correction: CCITT V.42, MNP Class 2-4
Compatibility: CCITT V.42BIS/V.42/V.22BIS/V.22/V.21/
V.29/V.27 Bell 212A, 103
Command Support Hayes extended AT Command set
Operation: Full or half-duplex
Dialing: Pulse or Tone
Intelligence: Auto-dial, auto answer, auto speed selection
Command Buffer 40 Characters
Memory: Non-Volatile RAM, stores four (4) telephone numbers and 2
configurations of modem settings
Weight: 7.4 ozs. (210 grams)
Dimensions*: 4.9" x 2.7" x 1" (12.4cm x 7cm x 2.5cm)
Interface: RS-232C
Telephone Interface: RJ11
Receive Sensitivity: - 43 dbm
Transmit Level: - 12 dbm
Input Power 9VDC, 300 ma
Environment**: 32 to 133 (operating)
-40 to 140 (non-operating)
*The dimensions are critical only if installation of the modem inside the Avantra is desired. The
modem mounting bracket inside the system is sized to fit the above mentioned dimensions exactly.
**The electronics inside the Avantra (DEC PCB) provide a power source for a built-in modem. If a dif-
ferent power source is needed for a particular modem, an external AC to DC adapter will be required.