Specifications

Standard MGX 8220 Cables
Cabling Summary A-11
TableA-20 Network Alarm Pin Assignments
Standard MGX 8220 Cables
Table A-21 lists the various cables that may be ordered directly from Cisco. Cable lengths are
specified as a suffix to the model number. For example 5610-50 indicates a 50 foot cable. Cables are
generally available in standard lengths of 10 ft. (3 m), 25 ft. (7.6 m), 50 ft. (15 m), 75ft. (22.8 m),
and 100 ft. (30 m). Lengths of 101 ft. (30 m) to 600 ft. (183 m) are available on a special order.
When a cable is connectorized, the connector gender (male-female) will be indicated as well as the
number of pins. For example, RS-232/M25-M25 indicates a cable terminated with a male DB25 at
both ends.
TableA-21 Standard Cables Available from Cisco
Pin No. Alarm Description
1 Audible—Major Normally open
2 Common
9 Normally closed
4 Visual—Major Normally open
5 Common
12 Normally closed
7 unused n.c.
8 unused n.c.
3 Audible—Minor Normally open
11 Common
10 Normally closed
6 Visual—Minor Normally open
14 Common
13 Normally closed
15 unused n.c.
Model Number Description Usage
T3-E3-10
T3-E3-25
T3-E3-50
T3-E3-75
T3-E3-xx
75 Ω coax/BNC-BNC, 10'
25'
50'
75'
length to be specified
T3 or E3 trunk interface
5620 RS-232/M25-F25 Control port to control terminal, StrataView,
or ext. window device
5621 RS-232/M25-M25 special Control or maintenance port to modem
5601 Ground cable DC
5670 Molex-pigtail DC
5671 Spade lug-pigtail DC