Multi-Tech Systems E1 Manuale Utente
Technical Configuration
MultiVOIP
User
Guide
92
T1 Parameter Definitions
Field Name
Values
Description
T1/E1/ISDN
T1
North American digital
telephony standard.
telephony standard.
Long-Haul
Mode
Mode
Y/N
In Long-Haul Mode, the
MultiVOIP
automatically
recovers received signals as low
as –36 dB. The maximum
reachable length with 22 AWG
cable is 2000 meters. When
Long-Haul Mode is disabled,
signals as low as –10 dB can be
received.
Default: disabled.
as –36 dB. The maximum
reachable length with 22 AWG
cable is 2000 meters. When
Long-Haul Mode is disabled,
signals as low as –10 dB can be
received.
Default: disabled.
CRC Check
(Cyclic
Redundancy
Check)
(Cyclic
Redundancy
Check)
Y/N
When enabled, allows
generation and checking of
CRC bits. If not enabled, all
check bits in the transmit
direction are set. Only applies
to ESF frame format.
Default: enabled.
generation and checking of
CRC bits. If not enabled, all
check bits in the transmit
direction are set. Only applies
to ESF frame format.
Default: enabled.
Frame Format
F4, D4, ESF,
SLC96
SLC96
Frame Format of MultiVOIP
should match that used by PBX
or telco. ESF and D4 are
commonly used.
should match that used by PBX
or telco. ESF and D4 are
commonly used.