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Chapter 5. Configuration Menu
61200420L1-1 ESU 120e User Manual 5-3
NETWORK (NI)
This menu item accesses the configuration of parameters associated
with the network interface in the base unit. There are eight sub-
menu items that include setting the format, the line build out
(LBO), and the timing mode.
Network (NI) Menu Items
The menu items are:
Menu Item Description
Interface
(INTFACE)
Selects either the 120Ω DB15 interface or the 75Ω BNC
interface.
Choices: 120Ω, 75Ω. BAL and 75Ω UNBAL
In 75Ω UNBAL mode, both the Tx and Rx are shield
grounded.
Framing NFAS Word. If enabled, the network interface receiver
requires the NFAS word (TS0 in odd frames) and the FAS
word (TS0 in even frames) for frame sync. When disabled,
only the FAS word is needed for frame sync.
Choices: Enable, Disable
CAS/TS16 Enables/Disables Channel Associated signalling (time slot
16 multiframing). When this menu option is enabled, the
following occurs:
1. The TS16 multiframe alignment signal is inserted in the
outgoing data stream.
2. Signaling Bits are transmitted in TS 16 for all TS0s that are
mapped to a signalling-capable port (Base Drop port, for
example). In TS0s that are mapped to “Idle” or data ports,
“1s” are transmitted in the signalling bit positions.
3. The TS16 multiframe alignment signal must be received
for frame sync.