
IES-1248-51V Support Notes
82
FAQ
What is the IES-1248-51V?
The IES-1248-51V is an IP-based DSLAM that connects ADSL and voice
subscribers to the Internet. It provides 48 aggregated lines of POTS connectivity,
designed to connect the subscriber with the PSTN. Each telephone line interface
is a FXS port connecting to the subscriber’s telephone via copper wire. The
analog voice signal from the subscriber is converted to voice data packets and
transmitted towards the callee across the IP packet-switched network. The
IES-1248-51V uses SIP for network signaling to establish or tear down a voice call.
DTMF signals are also translated into SIP signals (or transmitted in the voice
band).
What is the maximum line rate of IES-1248-51V?
It can support ADSL2+, so line rate can reach to 1.2Mbps in upstream direction
and 25 Mbps in downstream in a short distance.
How many sessions are allowed to access IES-1248-51V at the
same time?
•
Console Port: 1
•
Telnet: 5
•
FTP: 1
•
WEB: No limit
•
SNMP: No limit
What is the power requirements of IES- 1248-51V?
•
Voltage: DC power input (-36V DC ~ -72V DC)
•
Power consumption: max. 170 Watts
What kind of the ADSL standards does IES-1248-51V comply?
•
G.992.1 Annex A, G.992.3 Annex A, Annex L, Annex M
•
G.992.5 Annex A, Annex M , G.994.1 G.hs
•
Support G.992.3, G.992.5, G.997.1 Spectral Mask and Physical Layer
All contents copyright (c) 2007 ZyXEL Communications Corporation.