1558d option switch configuration information, Option switch s2, pos. 1 - 8, Option switch s1, pos. 1 - 8 – Verilink 1558D (CG) Configuration/Installation Guide User Manual
Page 3: Option switch s3, pos. 1 - 8, Option switch s4, pos. 7 - 10

Option Switch S4, Positions 1 - 6 (speed selection)
Pos
1
Pos
2
Pos
3
Pos
4
Pos
5
Pos 6
OFF
(64Kb)
Pos 6 ON
(56Kb)
DS0
OFF
OFF
OFF
OFF
OFF
1536
1344
24
OFF
OFF
OFF
ON
OFF
1472
1288
23
ON
OFF
OFF
ON
OFF
1408
1232
22
OFF
ON
OFF
ON
OFF
1344
1176
21
ON
ON
OFF
ON
OFF
1280
1120
20
OFF
OFF
ON
ON
OFF
1216
1064
19
ON
OFF
ON
ON
OFF
1152
1008
18
OFF
ON
ON
ON
OFF
1088
952
17
ON
ON
ON
ON
OFF
1024
896
16
OFF
OFF
OFF
OFF
ON
960
840
15
ON
OFF
OFF
OFF
ON
896
784
14
OFF
ON
OFF
OFF
ON
832
728
13
ON
ON
OFF
OFF
ON
768
672
12
OFF
OFF
ON
OFF
ON
704
616
11
ON
OFF
ON
OFF
ON
640
560
10
OFF
ON
ON
OFF
ON
576
504
9
ON
ON
ON
OFF
ON
512
448
8
OFF
OFF
OFF
ON
ON
448
392
7
ON
OFF
OFF
ON
ON
384
336
6
OFF
ON
OFF
ON
ON
320
280
5
ON
ON
OFF
ON
ON
256
224
4
OFF
OFF
ON
ON
ON
192
168
3
ON
OFF
ON
ON
ON
128
112
2
ON
ON
ON
ON
ON
64
56
1
Option Switch S2, Pos. 1 - 8
Position
Switch S2 Description
1
OFF = CSU Mode, Enabled
ON = CSU Mode, Disabled
2
OFF = Path Revert, Disabled
ON = Path Revert, Enabled
3,4
NET A LBO Value
0.0 db OFF, OFF
7.5 db OFF, ON
15.0 db ON, OFF
22.5 db ON, ON
5,6
NET A LBO Value
0.0 db OFF, OFF
7.5 db OFF, ON
15.0 db ON, OFF
22.5 db ON, ON
7,8
OFF, OFF =Network Clocking
OFF, ON = Network Clocking
ON, ON = Internal Clocking
ON, OFF = External DTE Clocking
Option Switch S1, Pos. 1 - 8
Position
Description
1
OFF = Card Function, Slave
ON= Card Function, Master
2,3
OFF,OFF = Boot from Switches
OFF,ON = Boot from Manager
ON,OFF = Boot from RAM
ON,ON = Boot from ROM
4
OFF = ARM from ROM
ON= ARM from RAM
5
OFF = Enable Frame Error Alarm
ON = Disable Frame Error Alarm
6
OFF = LOS, Enabled
ON= LOS, Disabled
7
OFF = NET/A, B8ZS
ON = NET/A, AMI
8
OFF = NET/B, B8ZS
ON = NET/B, AMI
Option Switch S3, Pos. 1 - 8
*APS Mgr.
Unit Pos.
NET A/B
Address
Pos
1
Pos
2
Pos
3
Pos
4
Pos
5 - 8
1.01
1/2
OFF
OFF
OFF
OFF
OFF
1.02
3/4
ON
ON
OFF
OFF
OFF
1.03
5/6
ON
OFF
ON
OFF
OFF
1.04
7/8
ON
ON
ON
OFF
OFF
1.05
9/10
ON
OFF
OFF
ON
OFF
1.06
11/12
ON
ON
OFF
ON
OFF
Option Switch S4, Pos. 7 - 10
Position
Switch S4 Description
7
OFF = Contiguous DS0s
ON = Alternate DS0s
8
OFF = Control Lines (CTS, DSR,CD) are set on
ON = Control Lines follow (DSR follows T1 sync, CTS follows RTS, and CD fol-
lows T1 density status)
9
OFF = Data Invert Disabled
ON = Data Invert Enabled
10
Spare, Not Used
1558D Option Switch Configuration Information