Allied Telesis AT-AR020 PRI E1/T1 Hardware Reference Manual page 30

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cable at the AMPLIMITE end, no more than 25 mm from the rear of the
backshell of the AMPLIMITE connector. Contact your Authorised Allied
Telesyn distributor or reseller for a list of approved ferrites.
Table 18 lists the wiring diagrams to follow when constructing transition cables
for each physical interface standard.
Table 18: Transition cable pin wiring diagrams for the AT-AR023 SYN PIC
Physical Interface Standard
RS-232 DTE
RS-232 DCE
V.35 DTE
V.35 DCE
X.21 DTE
X.21 DCE
Pin Wiring Diagram
Figure 16 on page 31
Figure 17 on page 32
Figure 18 on page 33
Figure 19 on page 34
Figure 20 on page 35
Figure 21 on page 36
Port Interface Card
C613-03023-00 REV J