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3CC08991ATAA TQ BJA 01
Issue 01 -- March 2004
2.3.2 -- ESC number 2
Engineering service channel N
_
2 is a telephone channel with selective calling available only in the classic
IDU version. The handset is connected to the
connector on the main IDU. Each terminal is
assigned a call number between 011 and 999 (not including X00) on installation. The number 00 is for general
calling. Two terminals in the network should not have the same telephone number. ESC N
_
2 is available
(Figure 13):
--
in digital form, at the “BACK TO BACK” connector of the main IDU, for digital transfers in stations with
two terminals back-to-back.
--
in analogue form, at the “AUDIO 1” and “AUDIO 2” connectors of the main IDU, for setting up a
point-to-multipoint link,
Figure 13 - Telephone ESC
TERMINAL A1
TERMINAL A2
TERMINAL B3
TERMINAL C1
AUDIO 1
BACK TO BACK
BACK TO BACK
Digital link
cable 3CC08729AAxx
9400UXC333
TERMINAL B1
TERMINAL B2
BACK TO BACK BACK TO BACK
AUDIO 2
AUDIO 1
AUDIO 2
Analogue
link
cable
3C
C0771
1AAx
x
9400U
XC
332
STATION A
STATION B
STATION C
Digital link
cable 3CC08729AAxx
9400UXC333
2.3.3 -- ESC numbers 3 and 4
2.3.3.1 -- Without extension IDU
If there is no extension IDU:
--
ESC N
_
3 is a V11 or V28 point-to-point 64 kbit/s channel,
--
ESC N
_
4 is a V11 point-to-point 64 kbit/s channel (not applicable to the Light IDU versions).
The V11 or V28 equipment connects to the “ESC. EXT.” connector of the main IDU.
2.3.3.2 -- With extension IDU (not applicable to the Light IDU versions)
With an extension IDU, the ESCs can be digital (G.703 or V11/V28 64 kbit/s, V11 or V28 9.6 or 4.8 kbit/s) or
analogue (four-wire telephone c TTL interface of RON/TRON type),
point-to-point or
point-to-multipoint. The ESCs are customized by daughter boards described in § 7.9.
POINT-TO-POINT ESC
Connection for the ESC equipment:
--
ESC N
_
3: to the “ESC 3-1” connector of the extension IDU.
--
ESC N
_
4: to the “ESC 4-1” connector of the extension IDU.
Connection of two terminals back-to-back: each of the terminals must have an extension IDU with an ESC board
of the same type. The link is set up by a cable linking ports “ESC 3-1” (ESC N
_
3) and “ESC4-1” (ESC N
_
4)
on the extension IDUs of the two terminals.
Summary of Contents for 9400 UX
Page 1: ...3CC08991ATAA TQBJA 01 Alcatel 9400 UX User Manual ...
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