A-7
Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Appendix A Cabling Summary AC Power Cabling
AC Power Cabling
AC power cables can be p r ovi de d by the customer or or de red from Cisco. Several s t a n dar d cables are
available. (See Tab le A-12. ) AC cables with other plugs or different lengt hs can be speci al ordere d. F or
users who wish to construct th eir own power cables, the cable must mate w ith an IEC320 16/20A male
receptacle on the rear of the AC power m od u le.
Control and Clock Cabling

Maintenance and Control Ports

The control ports are us ed to co nnec t o ne of the no de s in th e n etw or k to a c on tro l t e rmin al , wo rkst a ti on,
or modem connections for remote alarm reporting or system monitoring. Refer to Table A-13 and
Table A-14 for details on these cables.
TableA-12 AC Power Cables
Cable Parameter Description
Cable Provided with 8 ft (2.3 m) of 3-conductor wire with plug.
Plug: customer end 20A NEMA L620, 3-prong plug (domestic)
13A 250 Vac BS1363, 3-prong fused plug (UK, Ireland)
CEE 7/7 (Continental Eur ope)
AS3112 (Australia, New Zealand)
CEI23-16/VII (Italy)
TableA-13 Maintenance and Control Port Cabling
Cable Parameter Description
Interface RS-232 DCE ports.
Suggested cable 24 AWG, 25-wire. A straight-t hr oug h RS- 232 ca ble is us ed f or a ter mina l or
printer connection. A nul l m od em cab le is needed when interfacing wit h
modems on either port.
Cable connector DB-2 5 , su bm iniature, male. Table A-14 contai ns a list of the port pin
assignments.
Max. cable length 50 feet (15 m)
TableA-14 Maintenance and Control Port Pin Assignments
Pin No. N ame Source Description
1 FG Both Frame ground
2 TxD DTE Transmit data
3 RxD DCE Receive data
4 RTS DTE Request to send
5 CTS DC E Clear to send