User`s guide

PassFinder AP2520 VoIP Router/Gateway Operation Manual Version 1.10 / Mar. 2002
AddPac Technology Co., Ltd. -
200 -
To configure E&M voice ports, use the following commands beginning in
Administrator command mode:
Step Command Description
1 configure
Enter global configuration mode.
2 voice-port location
Identify the voice port you want to configure and
enter voice-port configuration mode.
3
signal {wink-start |
immediate | delay-dial}
Selects the appropriate signal type for this
interface
4
Selects a proper cabling scheme for the corresponding VoIP port. At this time,
the user shall decided which wire to use – 4-wire or 2-wire. In the AP2520 router,
jumper setting has been used for this matter.
When the product is delivered to the customer from the factory, 2-wire has been
set as the cabling scheme. For more information, refer to jumper setting of the
E&M module.
5
Selects a proper E&M type for the corresponding VoIP port. At this time, the
user shall select the type – Type 1, 2, 3, or 5. In the AP2520 router, jumper setting
has been used for this matter.
When the product is delivered to the customer from the factory, the E&M type
has been set as Type 1. For more information, refer to jumper setting of the E&M
module.
The following shows signal configuration for each E&M type.
Type 1
- E: output, relay to ground
- M: input, referenced to ground
Type 2
- E: output, relay to SG(Signal Ground)
- M: input, referenced to ground
- SB(Signal Battery): feed for M, connected to –48V
- SG(Signal Ground): return for E, galvanically isolated from ground
Type 3
- E: output, relay to ground
- M: input, referenced to ground
- SB(Signal Battery): connected to –48V
- SG(Signal Ground): connected to ground
Type 5
- E: output, relay to ground
M: input, referenced to –48V
6
operation {2-wire | 4-wire} This command is for information description and
is not actually used. Actual operation is made
according to jumper setting explained in Step 4.
However, this command helps the user to easily
check the wiring method without checking the
jumper.
7
type {1 | 2 | 3 | 5}
This command is for information description and
is not actually used. Actual operation is made
according to jumper setting explained in Step 5.
However, this command helps the user to easily
check the E&M type without checking the
jumper.