Specifications

Chapter 6 Configuring VoIP
Configure Voice Ports
6-28
Catalyst 4224 Access Gateway Switch Software Configuration Guide
OL-2031-02
Step 4
Select the appropriate signal type for this
interface.
Required
signal {wink-start |
immediate
| delay-dial}
Step 5
Select the appropriate voice call progress tone
for this interface.
Required
cptone {australia | brazil |
china | finland | france |
germany | japan |
northamerica |
unitedkingdom}
Step 6
Select the appropriate cabling scheme for this
voice port.
Required
operation {2-wire | 4-wire}
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
Required
type {1 | 2 | 3 | 5}
Table 6-5 Commands to Configure E&M Voice Ports (continued)
Task
Required
or Optional Command