Cisco WS C4224V 8FXS - 200Mbps Ethernet Switch Software Configuration Manual page 174

Configure Voice Ports
Table 6-5 Commands to Configure E&M Voice Ports (continued)
Task
Step 4
Select the appropriate signal type for this
interface.
Step 5 Select the appropriate voice call progress tone
for this interface.
Step 6 Select the appropriate cabling scheme for this
voice port.
Step 7 Select the appropriate E&M interface type.
Type 1 is for the following lead
•
configuration:
E—Output, relay to ground
M—Input, referenced to ground
Type 2 is for the following lead
•
configuration:
E—Output, relay to SG
M—Input, referenced to ground
SB—Feed for M, connected to –48V
SG—Return for E, galvanically isolated
from ground
Type 3 is for the following lead
•
configuration:
E—Output, relay to ground
M—Input, referenced to ground
SB—Connected to –48V
SG—Connected to ground
Type 5 is for the following lead
•
configuration:
E—Output, relay to ground
M—Input, referenced to –48V
Catalyst 4224 Access Gateway Switch Software Configuration Guide
6-28
Chapter 6
Required
or Optional Command
Required
signal {wink-start |
immediate
Required
cptone {australia | brazil |
china | finland | france |
germany | japan |
northamerica |
unitedkingdom}
Required
operation
{ |
Required
type 1
Configuring VoIP
|
delay-dial}
{ | }
2-wire 4-wire
| | }
2 3 5
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