1E1/T1-M (1-Port Channelized E1/T1/PRI/VE1 Multiflex Trunk Interface Card)
Card Overview
1E1/T1-M is a data and voice processing module for a router and provides one CE1/CT1/PRI/VE1 interface for WAN connection, digital and analog voice transmission, and ISDN dialup.
A 1E1/T1-M card can be installed in a SIC slot of a router.
Figure 7-69 shows the appearance of a 1E1/T1-M card.
Version Mapping
Table 7-164 lists the device models and software versions supporting the 1E1/T1-M.
Functions and Features
Table 7-165 describes the functions and features of a 1E1/T1-M card.
Function and Feature |
Description |
|---|---|
Data transmission |
Connects to a WAN through E1/CE1 interface to complete data transmission. |
An E1 line supports up to 32 data channels and provides a total bandwidth of up to 2 Mbit/s. |
|
A channelized E1 line allows 31 timeslots to be flexibly bundled into multiple channels. The rate of each channel is 64 kbit/s multiplied by n, where n is the number of timeslots in the bundle and ranges from 1 to 31. |
|
Multi-service transmission |
Supports transmission of data, voice, and video services, without interference between these services. |
ISDN dialup |
Transmits various services, such as voice, high-speed fax, video call, intelligent telegraph, and teletext, at a rate of up to 2 Mbit/s. |
Flexible and easy deployment |
A CE1/CT1/PRI/VE1 interface can be flexibly configured as a WAN interface, data interface, or voice interface, which simplifies networking. |
Voice gateway |
Works as a gateway to provide access to a PSTN or TDM PBX network, and supports a maximum of 30 call connections. |
Investment protection |
When working in VE1 mode, the interface can connect to a TDM PBX on an enterprise network. This protects customer investment and facilitates network expansion. |
Panel
Figure 7-70 shows the indicators on a 1E1/T1-M card, and Table 7-166 describes the indicator states and meanings.
Number |
Indicator |
Color |
Description |
|---|---|---|---|
1 |
STAT |
Green |
Slow blinking: The system is running properly. Fast blinking: The system is being powered on or restarting. |
Red |
Steady on: A fault that affects services has occurred and cannot be rectified automatically. The fault needs to be rectified manually. |
||
Off |
Off: The system software is not running or is resetting. |
||
2 |
LINK/ACT |
Green |
Steady on: A link has been established on the interface. Off: No link is established on the interface. |
Amber |
Blinking: Data is being transmitted or received on the interface. Off: No data is being transmitted or received on the interface. |
||
Off |
The interface is not connected. |
Figure 7-71 shows the interface on a 1E1/T1-M card.
1. One CE1/CT1/PRI/VE1 interface |
CE1 interface (channelized)
CT1 interface (channelized)
Technical Specifications
Table 7-169 lists the technical specifications of a 1E1/T1-M card.
Item |
Specification |
|---|---|
Card type |
SIC |
Hot swap |
Supported |
Physical specifications |
|
Environment parameters |
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Ordering Information
To place an order, visit https://e.huawei.com/en/how-to-buy to find the local supplier or submit your inquiries online.
Table 7-170 provides 1E1/T1-M card ordering information.