Interface Configuration Guide 7705 SAR Interfaces
Edition: 01 3HE 11011 AAAC TQZZA 459
3.13.2.23 TDM Commands
tdm
Syntax tdm
Context config>port
Description This command enables the context to configure:
• DS1/E1 parameters for a port on a channelized 16-port T1/E1 ASAP Adapter card,
32-port T1/E1 ASAP Adapter card, 2-port OC3/STM1 Channelized Adapter card, 4-port
OC3/STM1 / 1-port OC12/STM4 Adapter card, or 4-port DS3/E3 Adapter card (DS3
ports only)
• DS3 parameters for a port on a channelized 2-port OC3/STM1 Channelized Adapter
card
• DS3/E3 parameters for a port on a 4-port DS3/E3 Adapter card
• codirectional and teleprotection interfaces (TPIF) parameters for a port on an 8-port
Voice & Teleprotection card
TDM is a mechanism that divides the bandwidth of a stream into separate channels or
timeslots by assigning each stream a different timeslot in a set. TDM repeatedly transmits a
fixed sequence of timeslots over a single transmission channel. Each individual data stream
is reassembled at the receiving end based on the timing.
Default n/a
buildout
Syntax buildout {long | short}
Context config>port>tdm
Description This command specifies the line buildout (cable length) for physical DS1 ports on the 16-port
T1/E1 ASAP Adapter card and 32-port T1/E1 ASAP Adapter card, or for physical DS3/E3
ports on the 4-port DS3/E3 Adapter card.
Default short (this is the only option available for the 16-port T1/E1 ASAP Adapter card and 32-port
T1/E1 ASAP Adapter card)
Parameters long — sets the line buildout for length runs up to 450 ft (for the 4-port DS3/E3 Adapter
card only)
short — sets the line buildout for length runs up to 225 ft (for the 4-port DS3/E3 Adapter
card only) or up to 655 ft (for the 16-port T1/E1 ASAP Adapter card and 32-port T1/E1
ASAP Adapter card)
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