Allied Telesis AT-S20 - Manual (Page 100)

Port Numbering
6-26
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Table 6-2 shows the port numbers for the switch.
Table 6-2 Port Numbering
Switch Port # Port Type
AT-3726XL,
AT-3726 1-24 10Base-T
25 Remote management port for
Omega
26 (Uplink port A) 10/100Base-TX
27 (Uplink port B) Optional MDA (TX or FX)
AT-3716XL 1-16 10Base-T
17 Remote management port for
Omega
18 (Uplink port A) 10/100Base-TX
19 (Uplink port B) Optional MDA (TX or FX)
AT-3714FXL,
AT-3714F 1-12 10Base-FL
13 Remote management port for
Omega
14 (Uplink port A) 100Base-FX
15 (Uplink port B) Optional MDA (TX or FX)