User`s manual

AD-net Technology. CO LTD
- 8 - www.ad-net.com.tw
OFF: use the user’s Setting IP address
There are 4 group dips on the bottom of panel, used for controlling the E1 / T1
interface impedance and 75 Ω unbalanced interface shell grounding, as the Table
2.3-3.
Table 2.3-3 Dip Switches Definition of bottom panel
Dip Definition
One
ON: the first channel of E1/T1 Interface
impedance is 75 Ω
OFF: the first channel of E1/T1 Interface
impedance is 120Ω-E1/100Ω-T1
Two
ON: the first channel of E1/T1 Interface shell
grounding
OFF: the first channel of E1/T1 Interface shell
suspended
Three （only SA1602
support ）
ON: the second channel of E1/T1 Interface
impedance is 75 Ω
OFF: the second channel of E1/T1 Interface
impedance is 120Ω-E1/100Ω-T1
Four （only
SA1602support ）
ON: the second channel of E1/T1 interface shell
grounding
OFF: the second channel of E1/T1 interface
shell suspended
2.3.4 E1/T1 Port
AN-TDM-IP-1E1-A equipment with 1 channel of 120 Ω-E1/100 Ω-T1 balance
interface, AN-TDM-IP-2E1/A equipment with 2 channels of “120 Ω-E1/100 Ω-T1
balance interface, all adopt RJ-48 C form. RJ-48 C joints and wire sequence and
signals defined as follows.
8
1
Fig 2.3-5 RJ48-C socket pin sequence
Table 2.3-4 RJ-48C 120Ω-E1/100Ω-T1signal definition
Pin 1 2 3 4 5 6 7 8
- + + -
Signal
E1-IN
GND
E1-OUT
GND
Manuel de l'usager du Mux IP vers 2xE1
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