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Chapter 4 Management from a Terminal Vmux-2100 Installation and Operation Manual
4-28 Configuring Main Link and Voice E1/T1 Ports
When operating Vmux-2100 in a TDM network (for example, leased line), where
delays are minimal, you can configure Vmux-2100 to generate the keep-alive
packets more frequently to ensure the early notification of a main link failure. In IP
networks, where delays are more common, it is recommended to set the
connectivity parameters to their maximum values.
TOS Parameters (standard Type of Service parameters of the outgoing IP
frames):
Precedence (Routine, Priority, Immediate, Flash, Flash Override,
Critic/Ecp, Internetwork Control, Network Control)
Delay (Normal, Low)
Throughput (Normal, High)
Reliability (Normal, High).
Voice Parameters (see Figure 4-35):
Voice Parameters
1. Coder/Rate (kbps) (G.723.1/6.4)
2. Fax/Modem
3. MF Relay (enable)
4. Minimum Pulse Width (milliseconds)[30 - 32676]... (80)
5. Minimum Power Level (negative dBm)[0 - 35]... (0)
@ - Db Update; # - Db Undo
ESC-prev.menu; !-main menu; &-exit
Figure 4-35. Voice Parameters Menu
Coder/Rate (compression algorithm and corresponding rate):
G.723.1/6.4 (as per G.723.1 requirements at 6.4 kbps)
G.723.1/5.3 (as per G.723.1 requirements at 5.3 kbps)
G.729A/8 (as per G.729 A requirements at 8 kbps)
G.711 a LAW (as per G.711 requirements, A-law companding)
G711 u LAW (as per G.711 requirements, µ-law companding).
Fax/Modem (enable/disable fax or modem signal identification and
relay, and define the it transmission rate in kbps): 4.8, 9.6, 14.4.
MF Relay (enable/disable MF tone identification and relay).
The two following parameters (Minimum Pulse Width and Minimum
Power Level) appear only when the MF relay is enabled.
Minimum Pulse Width (minimum pulse width of the MF tone to be
detected and relayed): 30 to 32676 msec.
Minimum Power Level (minimum power level of the MF tone to be
detected and relayed): 0 to -35 dBm.
Note