User`s guide
PassFinder AP2520 VoIP Router/Gateway Operation Manual Version 1.10 / Mar. 2002
AddPac Technology Co., Ltd. -
248 -
5.7.3.5.5. Examples
The following example configures a 3-decibel gain to be inserted at the
receiver side of the interface in the router:.
port 1/4
input gain 3
5.7.3.6. Operation (E&M Voice Port Command)
To select a specific cabling scheme for E&M ports, use the operation
command in voice-port configuration mode. To restore the default, use the no
form of this command.
operation {2-wire | 4-wire}
no operation
5.7.3.6.1. Syntax Description
Keyword / Argument Description
2-wire Specifies a 2-wire E&M cabling scheme.
4-wire Specifies a 4-wire E&M cabling scheme.
5.7.3.6.2. Default
2-wire operation
5.7.3.6.3. Command Mode
Voice-port configuration (E&M)
5.7.3.6.4. Usage Guideline
This command (operation) is applied only to the E&M voice port.
2/4-wire operation setting of the AP2520 router is made through hardware
jumper setting. Unless administrators/users visually check hardware jumper